TY - JOUR AU - È. I. Grudo TI - The asymptotic solutions of certain systems of partial differential equations JO - Differencialʹnye uravneniâ PY - 1974 SP - 1451 EP - 1462 VL - 10 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1974_10_8_a12/ LA - ru ID - DE_1974_10_8_a12 ER -