@article{DAN_1990_313_1_a5,
     author = {V. P. Goncharov},
     title = {Construction of canonical variables and the problem of {\textquotedblleft}gauge{\textquotedblright}},
     journal = {Doklady Akademii Nauk},
     pages = {27--30},
     year = {1990},
     volume = {313},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_1_a5/}
}