TY - JOUR AU - M. S. Nikol'skii TI - On the time-optimal problem for three- and four-dimensional control systems JO - Informatics and Automation PY - 2012 SP - 192 EP - 198 VL - 277 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2012_277_a12/ LA - ru ID - TRSPY_2012_277_a12 ER -