@article{VMUMM_1991_3_a9,
     author = {A. A. Lokshin and E. A. Sagomonyan},
     title = {On propagation of a strong break in a nonhomogeneous nonlinear medium with rigid unloading},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {45--49},
     publisher = {mathdoc},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1991_3_a9/}
}