A certain boundary value problem with shift for the equation $\operatorname{sign}y|y|^mu_{xx}+y_{yy}=0$
Differencialʹnye uravneniâ, Tome 12 (1976) no. 1, pp. 79-88
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@article{DE_1976_12_1_a9,
author = {S. K. Kumykova},
title = {A certain boundary value problem with shift for the equation $\operatorname{sign}y|y|^mu_{xx}+y_{yy}=0$},
journal = {Differencialʹnye uravneni\^a},
pages = {79--88},
year = {1976},
volume = {12},
number = {1},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1976_12_1_a9/}
}
S. K. Kumykova. A certain boundary value problem with shift for the equation $\operatorname{sign}y|y|^mu_{xx}+y_{yy}=0$. Differencialʹnye uravneniâ, Tome 12 (1976) no. 1, pp. 79-88. http://geodesic.mathdoc.fr/item/DE_1976_12_1_a9/