@article{DAN_1961_136_6_a30,
     author = {M. S. Ostrikov},
     title = {Development and closure of cracks in an isotropic solid},
     journal = {Doklady Akademii Nauk},
     pages = {1380--1383},
     year = {1961},
     volume = {136},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_6_a30/}
}