TY - JOUR AU - L. P. Cherenkova TI - The construction of the switching line in the case of an isochronous family of glued solutions JO - Differencialʹnye uravneniâ PY - 1971 SP - 2117 EP - 2119 VL - 7 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_11_a25/ LA - ru ID - DE_1971_7_11_a25 ER -