@article{DE_1999_35_8_a16, author = {S. N. Baranovskaya and Charie Cocu}, title = {On the classical solution of a mixed problem for a one-dimensional second-order hyperbolic equation}, journal = {Differencialʹnye uravneni\^a}, pages = {1129--1131}, year = {1999}, volume = {35}, number = {8}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1999_35_8_a16/} }