TY - JOUR AU - S. V. Volkov TI - Construction in the plane of systems of differential equations from a partition into trajectories of a domain that has singular points only on the boundary JO - Differencialʹnye uravneniâ PY - 1985 SP - 1313 EP - 1317 VL - 21 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_8_a2/ LA - ru ID - DE_1985_21_8_a2 ER -