ON THE EXISTENCE OF VARIATIONAL PRINCIPLES FOR A CLASS OF THE EVOLUTIONARY DIFFERENTIAL-DIFFERENCE EQUATIONS Статья Kolesnikova I.A., Savchin V.M. Journal of Function Spaces and Applications. 2012.
ON BELLMAN-GOLUBOV THEOREMS FOR THE RIEMANN-LIOUVILLE OPERATORS Статья Zung P.T. Journal of Function Spaces and Applications. Том 7. 2009. С. 289-300
ON VARIATIONAL FORMULATIONS FOR FUNCTIONAL DIFFERENTIAL EQUATIONS Статья Kolesnikova I.A., Popov A.M., Savchin V.M. Journal of Function Spaces and Applications. Том 5. 2007. С. 89-101
ON INDIRECT VARIATIONAL FORMULATIONS FOR OPERATOR EQUATIONS Статья Budotchkina S.A., Savchin V.M. Journal of Function Spaces and Applications. Том 5. 2007. С. 231-242