@article{UZKU_2010_152_2_a10,
     author = {S. O. Elyutin and A. I. Maimistov},
     title = {Nonstationary parametric processes in negative refraction media},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {77--86},
     publisher = {mathdoc},
     volume = {152},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2010_152_2_a10/}
}