@article{TMF_1983_55_2_a6,
     author = {A. V. Zakharov},
     title = {Kinetics of small perturbations in closed and open {Friedmann} cosmologies},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {224--235},
     publisher = {mathdoc},
     volume = {55},
     number = {2},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1983_55_2_a6/}
}