@article{DAN_1989_308_1_a16,
     author = {E. V. Zenchenko and V. M. Tsvetkov},
     title = {Mechanism of cratering under meteor impact},
     journal = {Doklady Akademii Nauk},
     pages = {68--70},
     publisher = {mathdoc},
     volume = {308},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_308_1_a16/}
}