@article{TMF_1992_93_2_a4,
     author = {A. I. Kirillov},
     title = {On two mathematical problems of canonical {quantization.~IV}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {249--263},
     year = {1992},
     volume = {93},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1992_93_2_a4/}
}