@article{VSGU_2013_9_a4,
     author = {M. E. Fedina},
     title = {Effects of damage field on the crack-tip stress field in non-linear material},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {31--36},
     publisher = {mathdoc},
     number = {9},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2013_9_a4/}
}