Spectral gaps for sets and measures, (.dvi)
Preprint

With M. Mitkovski, Polya sequences, Toeplitz kernels and gap theorems, (.dvi)
Preprint

 With B. Simon and M. Zinchenko, The Hilbert transform of a measure, (.pdf)
Preprint

Asymptotic behavior of arguments of Cauchy integrals, (.dvi)
Preprint

With C. Remling, Reflectionless Herglotz functions and Jacobi matrices, (.dvi)
To appear in Comm. Math. Phys.

With N. Makarov, Beurling-Malliavin theory for Toeplitz kernels, (.dvi)
Preprint

With M. Melnikov and A. Volberg, Uniqueness theorems for Cauchy integrals (.dvi)
 Publ. Mat. 52 (2008), no. 2, 289--314.

With E. Abakumov, Pseudocontinuation and Cyclicity of Random Power series (.dvi)
J. Inst. Math. Jussieu 7 (2008), no. 3, 413--424.

With D. Sarason, AC measures, (.dvi)
Recent advances in operator-related function theory, 1--14,
Contemp. Math., 393, Amer. Math. Soc., Providence, RI, 2006.

With V. Kapustin, Boundary convergence of vector-valued pseudocontinuable functions, (.dvi)
J. Funct. Anal. 238 (2006), no. 1, 313--326.

With N. Makarov, Meromorphic inner functions, Toeplitz kernels and the Uncertainty Principle, (.dvi)
 Perspectives in analysis, 185--252, Math. Phys. Stud., 27, Springer, Berlin, 2005.

With P. W. Jones, Asymptotic growth of Cauchy transforms (.dvi)
Ann. Acad. Sci. Fenn. Math. 29 (2004), no. 1, 99--120.

Images of non-tangential sectors under Cauchy transforms (.dvi)
J. Anal. Math. 89 (2003), 385--395.

Maximal properties of the normalized Cauchy transform (.dvi)
J. Amer. Math. Soc. 16 (2003), no. 1, 1--17

With R.del Rio and S. Fuentes, Coexistence of absolutely continuous and singular spectra (.dvi)
Bol. Soc. Mat. Mexicana (3) 8 (2002), no. 1, 49--61.

Integral representations and uniqueness sets for star-invariant subspaces (.dvi) 
Systems, approximation, singular integral operators, and related topics, 425--443,
Oper. Theory Adv. Appl., 129, Birkhäuser, Basel, 2001.

Survival probability in rank-one perturbation problems (.dvi) 
Comm. Math. Phys. 223 (2001), no. 1, 205--222.

With R. del Rio and S. Fuentes, Families of spectral measures with mixed types (.dvi) 
Operator methods in ordinary and partial differential equations (Stockholm, 2000), 131--140,
Oper. Theory Adv. Appl., 132, Birkhäuser, Basel, 2002.

Equivalence up to a rank-one perturbation (.dvi)
Pacific J. of Math., 194, 1, 2000, pp 175--188.

Properties of exposed points in the unit ball of H1 (.dvi)
Indiana Univ. Math. J. 50 (2001), no. 4, 1789--1806.

With R. Del Rio
Spectral measures of Sturm-Liouville operators on the half-axis (.dvi)
Operator Theory: Advances and Applications, Birkhausen, proceedings
of "Mathematical Problems in Quantum Mechanics", 1999, pp. 149--159.

Finite rank perturbations of singular spectra (.dvi)
Internat. Math. Res. Notices 1997, no. 9, pp. 421--436.

The Krein spectral shift and rank one perturbations of spectra (.dvi)
Algebra i Analiz, 10 (1998), No. 5, pp. 143--183.
English translation in St. Petersburg Math. J.

On the Distribution of the Boundary Values of Cauchy Integrals (.dvi)
Proc. Amer. Math. Soc., (1996), no. 8, pp. 2455--2463.

The Boundary Behavior of Pseudocontinuable Functions (.dvi)
St.-Petersburg Math. J., Vol. 5 (1994), No 2,  pp 389--406.

The Marshall Theorem for Almost Everywhere Continuous functions
Vestnik Lenin. Univ. ,Ser. 1, 1991, Vol. 1(No 1), pp 54-62 (in Russian),
translation in Vestnik Leningrad Univ. Math. 24 (1991), no. 1,  pp. 70--78.

On an Analog of the Douglas-Rudin Theorem
Vestnik Lenin. Univ. ,Ser. 1, 1989, Vol. 4(No 22), pp 32-35 (in Russian),
translation in Vestnik Leningrad Univ. Math. 22 (1989), no. 4,  pp. 40--44.