TY - JOUR AU - G. S. Larionov TI - The averaging method in the ``predator-prey'' system JO - Differencialʹnye uravneniâ PY - 1980 SP - 2247 EP - 2254 VL - 16 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1980_16_12_a14/ LA - ru ID - DE_1980_16_12_a14 ER -