TY - JOUR AU - A. V. Dmitruk TI - Variations of $v$-change of time in an~optimal control problem with state and mixed constraints JO - Izvestiya. Mathematics PY - 2023 SP - 726 EP - 767 VL - 87 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2023_87_4_a2/ LA - en ID - IM2_2023_87_4_a2 ER -