TY - JOUR AU - L. V. Lokutsievskii TI - Singular regimes in controlled systems with multidimensional control in a~polyhedron JO - Izvestiya. Mathematics PY - 2014 SP - 1006 EP - 1027 VL - 78 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2014_78_5_a6/ LA - en ID - IM2_2014_78_5_a6 ER -