@article{TMF_1982_50_1_a7,
     author = {L. A. Pokrovskii and A. M. Khazanov},
     title = {Atomic correlations in a~laser},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {146--154},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_50_1_a7/}
}