TY  - JOUR
AU  - V. A. Chechik
TI  - Investigation of systems of ordinary differential equations with a singularity
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1959
SP  - 155
EP  - 198
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1959_8_a5/
LA  - ru
ID  - MMO_1959_8_a5
ER  -