TY - JOUR AU - O. V. Khramtsov TI - Controllability of a class of linear nonstationary completely integrable Pfaff systems JO - Differencialʹnye uravneniâ PY - 1988 SP - 1281 EP - 1282 VL - 24 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_7_a29/ LA - ru ID - DE_1988_24_7_a29 ER -