TY - JOUR AU - S. A. Nefedov TI - On the theory of controllability of systems with distributed parameters JO - Differencialʹnye uravneniâ PY - 1983 SP - 1998 EP - 2001 VL - 19 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_11_a26/ LA - ru ID - DE_1983_19_11_a26 ER -