TY - JOUR AU - A. V. Krivko-Krasko TI - The conditions of a local minimum of a function in two variable at boundary points JO - Trudy Instituta matematiki PY - 2009 SP - 35 EP - 44 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2009_17_2_a3/ LA - ru ID - TIMB_2009_17_2_a3 ER -