TY - JOUR AU - P. N. Savel'ev TI - Dissipativity of systems of ordinary differential equations in the plane JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1988 SP - 93 EP - 96 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1988_4_a25/ LA - ru ID - VMUMM_1988_4_a25 ER -