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@article{DE_1965_1_4_a9, author = {N. I. Brisch}, title = {Classical solution of mixed problems for nonstationary equations}, journal = {Differencialʹnye uravneni\^a}, pages = {523--528}, publisher = {mathdoc}, volume = {1}, number = {4}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_4_a9/} }
N. I. Brisch. Classical solution of mixed problems for nonstationary equations. Differencialʹnye uravneniâ, Tome 1 (1965) no. 4, pp. 523-528. http://geodesic.mathdoc.fr/item/DE_1965_1_4_a9/