TY  - JOUR
AU  - S. G. Kondratenya
TI  - Second-order equations without moving essentially singular points
JO  - Differencialʹnye uravneniâ
PY  - 1996
SP  - 484
EP  - 490
VL  - 32
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1996_32_4_a6/
LA  - ru
ID  - DE_1996_32_4_a6
ER  -