@article{TMF_1978_37_1_a9,
     author = {L. A. Pokrovskii},
     title = {Nonequilibrium statistical operator method in the theory of a~single-mode laser based on two-level atoms},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {102--117},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1978_37_1_a9/}
}