TY  - JOUR
AU  - K. T. Karimov
TI  - The keldysh problem for a mixed-type three-dimensional equation with three singular coefficients
JO  - Vestnik KRAUNC. Fiziko-matematičeskie nauki
PY  - 2021
SP  - 29
EP  - 46
VL  - 34
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VKAM_2021_34_1_a2/
LA  - ru
ID  - VKAM_2021_34_1_a2
ER  -