@article{ZVMMF_2009_49_8_a6,
     author = {M. D. Kovalev},
     title = {Multilayered model in optics and quantum mechanics},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1437--1450},
     year = {2009},
     volume = {49},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2009_49_8_a6/}
}