@article{VSGTU_2014_4_a9,
     author = {V. V. Struzhanov and K. V. Berdnikov},
     title = {On a stability of polar symmetrical deformation of~bodies from softening materials},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {111--120},
     publisher = {mathdoc},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2014_4_a9/}
}