TY - JOUR AU - S. A. Vakhrameev TI - An existence theorem for a~non-linear time-optimal problem in a~class of bang-bang controls with finitely many switchings JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1996 SP - 353 EP - 354 VL - 51 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1996_51_2_a20/ LA - en ID - RM_1996_51_2_a20 ER -