EXISTENCE OF LOCAL SOLUTIONS IN CONSTRAINED DYNAMIC SYSTEMS Статья Arutyunov A.V., Zhukovskiy S.E. Applicable Analysis. Том 90. 2011. С. 889-898
ON THE SYMBOL OF NONLOCAL OPERATORS IN SOBOLEV SPACES Статья Savin A.Y. Differential Equations. Том 47. 2011. С. 897-900