TY - JOUR AU - V. S. Talapin TI - Vector fields in two-dimensional Riemannian manifolds over algebras JO - Trudy Geometricheskogo Seminara PY - 1980 SP - 85 EP - 96 VL - 12 UR - http://geodesic.mathdoc.fr/item/KUTGS_1980_12_a10/ LA - ru ID - KUTGS_1980_12_a10 ER -