TY - JOUR AU - M. A. Malakhaltsev TI - Godbillion--Vey classes for a one-dimensional manifold over a~local algebra JO - Trudy Geometricheskogo Seminara PY - 1997 SP - 65 EP - 76 VL - 23 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUTGS_1997_23_a6/ LA - ru ID - KUTGS_1997_23_a6 ER -