SPECTRAL BOUNDARY VALUE PROBLEMS FOR LAPLACE–BELTRAMI OPERATOR: MODULI OF CONTINUITY OF EIGENVALUES UNDER DOMAIN DEFORMATION СтатьяStepin A.M., Tsylin I.V.Contemporary Mathematics. Том 692. 2017. С. 275-290
THE NIKOL’SKII TYPE REGULARITY OF SOLUTIONS TO NONLINEAR PROBLEMS IN DOMAINS WITH HÖLDER BOUNDARY СтатьяTsylin I.V.Journal of Mathematical Sciences. Том 219. 2016. С. 300-320
ON RELATIONSHIP BETWEEN THE RESOLVENT CONVERGENCE AND THE SMOOTHNESS OF SOLUTIONS TO BOUNDARY VALUE PROBLEMS СтатьяTsylin I.V.Eurasian Mathematical Journal. Том 7. 2016. С. 100-103