@article{SJVM_2012_15_4_a3,
     author = {E. D. Moskalensky},
     title = {On the evolution of wavefront of a~plane wave passing through an area with heterogeneities},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {387--392},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2012_15_4_a3/}
}