@article{DAN_1960_134_6_a14,
     author = {A. Ya. Sagomonyan},
     title = {Penetration of pointed axially symmetrical bodies into ground},
     journal = {Doklady Akademii Nauk},
     pages = {1320--1323},
     year = {1960},
     volume = {134},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_134_6_a14/}
}