TY - JOUR AU - V. V. Struzhanov AU - K. V. Berdnikov TI - On a stability of polar symmetrical deformation of bodies from softening materials JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2014 SP - 111 EP - 120 VL - 137 IS - 4 UR - http://geodesic.mathdoc.fr/item/VSGTU_2014_137_4_a9/ LA - ru ID - VSGTU_2014_137_4_a9 ER -