@article{VMUMM_1993_4_a13,
     author = {V. I. Bogdanov and A. V. Zvyagin},
     title = {On numerical investigation of rigid body space penetration into elastic plastic plate},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {62--68},
     year = {1993},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1993_4_a13/}
}