@article{DAN_1988_303_4_a11,
     author = {I. F. Obraztsov and V. D. Kuliev and A. B. Kaplun},
     title = {On the theory of fracture of multilayer materials with a crack.},
     journal = {Doklady Akademii Nauk},
     pages = {818--821},
     publisher = {mathdoc},
     volume = {303},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_303_4_a11/}
}