@article{KUTGS_1997_23_a6,
     author = {M. A. Malakhaltsev},
     title = {Godbillion--Vey classes for a one-dimensional manifold over a~local algebra},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {65--76},
     publisher = {mathdoc},
     volume = {23},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1997_23_a6/}
}