TY  - JOUR
AU  - V. A. Il'in
AU  - I. A. Shishmarev
TI  - Some problems for the $Lu=\operatorname{div}[p(x)\operatorname{grad}u]-q(x)u$ operator with discontinuous coefficients
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 775
EP  - 778
VL  - 135
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_135_4_a2/
LA  - ru
ID  - DAN_1960_135_4_a2
ER  -