@article{TMF_1993_95_3_a9,
     author = {N. N. Gorobey and A. S. Lukyanenko},
     title = {Three-dimensional volume of a~closed universe as a~canonical time parameter},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {541--548},
     publisher = {mathdoc},
     volume = {95},
     number = {3},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1993_95_3_a9/}
}