@article{ZNSL_2015_438_a8,
     author = {A. P. Kachalov},
     title = {The ray type solution for the wave of finite deformation in the physically linear nonlinear inhomogeneous elastic medium},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {118--132},
     publisher = {mathdoc},
     volume = {438},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_438_a8/}
}