@article{VMUMM_1989_2_a24,
     author = {A. A. Lokshin and E. A. Sagomonyan},
     title = {Application of a pseudodifferential operator for estimating the rate of wave propagation in a problem in mechanics},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {87--89},
     publisher = {mathdoc},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1989_2_a24/}
}