TY  - JOUR
AU  - Yu. M. Krikunov
TI  - A particular case of the equation $K(y)u_{xx}+\operatorname{sgn}(xy)K(x)u_{yy}=0$
JO  - Trudy seminara po kraevym zadačam
PY  - 1975
SP  - 126
EP  - 133
VL  - 12
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KUKZ_1975_12_12_a15/
LA  - ru
ID  - KUKZ_1975_12_12_a15
ER  -