TY - JOUR AU - S. N. Voloshanovskaya TI - Penalty and duality methods for solving problems of small elastoplastic deflections of plates JO - Issledovaniya po Prikladnoi Matematike i Informatike PY - 1990 SP - 15 EP - 27 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUIPM_1990_a1/ LA - ru ID - KUIPM_1990_a1 ER -