@article{DE_1987_23_8_a14, author = {S. E. Zhelezovsky and V. Ph. Kirichenko and V. A. Krys'ko}, title = {Rate of convergence of the {Bubnov--Galerkin} method for a nonclassical system of differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1407--1416}, publisher = {mathdoc}, volume = {23}, number = {8}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_8_a14/} }