TY - JOUR AU - V. F. Demyanov AU - G. Sh. Tamasyan TI - On direct methods for solving variational problems JO - Trudy Instituta matematiki i mehaniki PY - 2010 SP - 36 EP - 47 VL - 16 IS - 5 UR - http://geodesic.mathdoc.fr/item/TIMM_2010_16_5_a5/ LA - ru ID - TIMM_2010_16_5_a5 ER -