@article{VMUMM_1998_3_a7,
     author = {V. B. Poruchikov},
     title = {On the solution of an acoustic half-space penetration problem for a thin axisymmetric body with nonlinear effects},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {54--57},
     year = {1998},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1998_3_a7/}
}