TY - JOUR AU - D. V. Georgievskii TI - Perturbations of sliding surfaces in the three-dimensional theory of perfect plasticity JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2001 SP - 45 EP - 50 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2001_3_a8/ LA - ru ID - VMUMM_2001_3_a8 ER -