@article{TMF_1980_42_1_a2,
     author = {O. Yu. Karmanov and M. B. Menskii},
     title = {Particle production near the cosmological singularity},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {23--36},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1980_42_1_a2/}
}