TY  - JOUR
AU  - M. V. Shamolin
TI  - Application of the methods of Poincar\'e topographical systems and comparison systems in some concrete systems of differential equations
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1993
SP  - 66
EP  - 70
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1993_2_a13/
LA  - ru
ID  - VMUMM_1993_2_a13
ER  -