TY  - JOUR
AU  - M. N. Feller
TI  - On the equation $\Delta U[x(t)]+P[x(t)]U[x(t)]=0$ in a function space
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 1282
EP  - 1285
VL  - 172
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_172_6_a10/
LA  - ru
ID  - DAN_1967_172_6_a10
ER  -