@article{ZNSL_1994_214_a0,
     author = {G. I. Petrashen and B. M. Kashtan and Yu. V. Kiselev},
     title = {The quantitative investigation of nonstationary interference wave fields in layered-homogeneous elastic media with plane-parallel {interfaces.~I.} {Statements} of problems and rational methods of their solution},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {7--186},
     publisher = {mathdoc},
     volume = {214},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1994_214_a0/}
}