TY  - JOUR
AU  - K. T. Karimov
TI  - Spectral problems for three-dimensional elliptic equations with singular coefficients
JO  - Vestnik KRAUNC. Fiziko-matematičeskie nauki
PY  - 2017
SP  - 7
EP  - 19
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VKAM_2017_2_a0/
LA  - ru
ID  - VKAM_2017_2_a0
ER  -