@article{TMF_1988_74_3_a0,
     author = {A. A. Logunov and Yu. M. Loskutov},
     title = {Nonuniqueness of predictions in the general theory of relativity},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {323--330},
     publisher = {mathdoc},
     volume = {74},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1988_74_3_a0/}
}