@article{DAN_1982_265_3_a0,
     author = {N. V. Ivanov and V. G. Turaev},
     title = {A canonical cocycle for the {Euler} class of a flat vector bundle},
     journal = {Doklady Akademii Nauk},
     pages = {521--524},
     publisher = {mathdoc},
     volume = {265},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_265_3_a0/}
}