TY  - JOUR
AU  - N. L. Chuprikov
TI  - The WKB Method and Differential Consequences of the Riccati Equation
JO  - Matematičeskie zametki
PY  - 2011
SP  - 929
EP  - 937
VL  - 89
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2011_89_6_a11/
LA  - ru
ID  - MZM_2011_89_6_a11
ER  -