TY - JOUR AU - V. I. Bakhtin TI - A conditional extremum necessary condition in terms of local algebras JO - Trudy Instituta matematiki PY - 2011 SP - 3 EP - 6 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2011_19_2_a0/ LA - ru ID - TIMB_2011_19_2_a0 ER -