TY  - JOUR
AU  - I. P. Martynov
TI  - Differential equations with fixed critical singular points
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 1780
EP  - 1791
VL  - 9
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_10_a4/
LA  - ru
ID  - DE_1973_9_10_a4
ER  -