TY - JOUR AU - N. A. Bodunov TI - Manifolds of $0$-curves of multidimensional systems JO - Differencialʹnye uravneniâ PY - 1975 SP - 914 EP - 917 VL - 11 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_5_a15/ LA - ru ID - DE_1975_11_5_a15 ER -