@article{TMF_1977_33_3_a6,
     author = {V. G. Lapchinskii and V. A. Rubakov},
     title = {Quantum gravitation: {Quantization} of the {Friedmann} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {364--376},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_33_3_a6/}
}