TY - JOUR AU - È. I. Grudo TI - The structure of the solutions of a certain system of two differential equations.~II JO - Differencialʹnye uravneniâ PY - 1972 SP - 230 EP - 242 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1972_8_2_a3/ LA - ru ID - DE_1972_8_2_a3 ER -