%0 Journal Article %A V. V. Struzhanov %A E. A. Bakhareva %T To the calculation of equilibrium parameters and stability of torsion process of circular bars made of weakening material %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2012 %P 53-64 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2012_2_a5/ %G ru %F VSGTU_2012_2_a5