@article{DAN_1974_216_1_a13,
     author = {G. N. Savin and Yu. N. Nemish},
     title = {Method of perturbation of elastic properties in the mechanics of solid deformable bodies},
     journal = {Doklady Akademii Nauk},
     pages = {53--55},
     publisher = {mathdoc},
     volume = {216},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_216_1_a13/}
}