@article{DE_1970_6_8_a24, author = {I. N. Lanin}, title = {The uniqueness of the solution of a certain mixed boundary value problem for the equation $z_{xx}+K(y)z_{yy}=0$}, journal = {Differencialʹnye uravneni\^a}, pages = {1524--1527}, publisher = {mathdoc}, volume = {6}, number = {8}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_8_a24/} }