TY - JOUR AU - K. A. Matveev TI - Variational principles in the theory of the stability of elastic plates with ``softened'' preliminary conditions JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2002 SP - 114 EP - 119 VL - 5 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2002_5_1_a10/ LA - ru ID - SJIM_2002_5_1_a10 ER -