TY - JOUR AU - I. N. Mel'nikova TI - Systems of three differential equations that do not have solutions with moving essentially singular points JO - Differencialʹnye uravneniâ PY - 1997 SP - 132 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1997_33_1_a18/ LA - ru ID - DE_1997_33_1_a18 ER -