@article{TMF_1973_16_3_a13,
     author = {P. V. Elyutin and V. D. Krivchenkov},
     title = {Quantization in riemannian space},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {419--422},
     year = {1973},
     volume = {16},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1973_16_3_a13/}
}