@article{TMF_2009_160_1_a4,
     author = {M. Facao and M. I. Carvalho},
     title = {Stability of dark screening solitons in photorefractive media},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {49--58},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_160_1_a4/}
}