@article{DAN_1986_288_5_a11,
     author = {V. D. Kuliev and G. M. Novruzov},
     title = {On the problem of fracture of a piecewise homogeneous medium with a crack},
     journal = {Doklady Akademii Nauk},
     pages = {1079--1081},
     year = {1986},
     volume = {288},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_288_5_a11/}
}