Geodesic
On problems of Bicadze–Samarskiǐ type for the equation $U_{xx}+\operatorname{sgn}y|y|^mU_{yy}=0$ ($0$)
Differencialʹnye uravneniâ, Tome 17 (1981) no. 6, pp. 1078-1089 
G. A. Ivashkina. On problems of Bicadze–Samarskiǐ type for the equation $U_{xx}+\operatorname{sgn}y|y|^mU_{yy}=0$ ($0
@article{DE_1981_17_6_a12,
     author = {G. A. Ivashkina},
     title = {On problems of {Bicadze{\textendash}Samarskiǐ} type for the equation $U_{xx}+\operatorname{sgn}y|y|^mU_{yy}=0$ ($0<m<1$)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1078--1089},
     year = {1981},
     volume = {17},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_6_a12/}
}
TY  - JOUR
AU  - G. A. Ivashkina
TI  - On problems of Bicadze–Samarskiǐ type for the equation $U_{xx}+\operatorname{sgn}y|y|^mU_{yy}=0$ ($0
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 1078
EP  - 1089
VL  - 17
IS  - 6
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_6_a12/
LA  - ru
ID  - DE_1981_17_6_a12
ER  - 
%0 Journal Article
%A G. A. Ivashkina
%T On problems of Bicadze–Samarskiǐ type for the equation $U_{xx}+\operatorname{sgn}y|y|^mU_{yy}=0$ ($0
%J Differencialʹnye uravneniâ
%D 1981
%P 1078-1089
%V 17
%N 6
%U http://geodesic.mathdoc.fr/item/DE_1981_17_6_a12/
%G ru
%F DE_1981_17_6_a12

Voir la notice de l'article provenant de la source Math-Net.Ru