@article{DAN_1988_299_5_a15,
     author = {K. Baddari and G. A. Sobolev and A. D. Frolov},
     title = {Complex forerunners of the destruction of large rock blocks},
     journal = {Doklady Akademii Nauk},
     pages = {1087--1091},
     publisher = {mathdoc},
     volume = {299},
     number = {5},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_299_5_a15/}
}