TY - JOUR AU - V. I. Gurman AU - G. Konstantinov TI - Description and estimate of sets of attainability of controllable systems JO - Differencialʹnye uravneniâ PY - 1987 SP - 416 EP - 423 VL - 23 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_3_a5/ LA - ru ID - DE_1987_23_3_a5 ER -