@article{VSGTU_2012_3_a6,
     author = {V. V. Struzhanov and K. V. Berdnikov},
     title = {On defining relations for the {Hencky} environment of softening of the material under diagonal stress tensor},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {72--80},
     publisher = {mathdoc},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2012_3_a6/}
}