@article{TMF_1993_95_2_a7,
     author = {V. V. Fock and A. A. Roslyi},
     title = {Flat connections and polybles},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {228--238},
     year = {1993},
     volume = {95},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TMF_1993_95_2_a7/}
}