TY - JOUR AU - N. I. Pogodaev AU - M. V. Staritsyn TI - Exact formulae for the increment of the objective functional and necessary optimality conditions, alternative to Pontryagin's maximum principle JO - Sbornik. Mathematics PY - 2024 SP - 790 EP - 822 VL - 215 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2024_215_6_a4/ LA - en ID - SM_2024_215_6_a4 ER -