A POSTERIORY ESTIMATES ON SOLUTIONS FOR A FORTH ORDER ELLIPTIC PROBLEM WITH OBSTACLE Статья Darovskaya K.A. O.A. Ladyzhenskaya centennial conference on PDE's. ООО "Издательство ВВМ". 2022. С. 79-79
CONSTRUCTION OF APPROXIMATE SOLUTIONS TO AN ELLIPTIC VARIATIONAL PROBLEM WITH A THIN OBSTACLE Статья Potyomkina A.N. O.A. Ladyzhenskaya centennial conference on PDE's. ООО "Издательство ВВМ". 2022. С. 89-89