TY - JOUR AU - N. M. Ostianu AU - R. F. Dombrovskii AU - N. D. Polyakov TI - Submanifolds in differentiable manifolds provided with differential geometric structures. II.~Submanifolds of codimension~2 in contact and almost contact manifolds JO - Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara PY - 1982 SP - 27 EP - 76 VL - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTG_1982_13_a1/ LA - ru ID - INTG_1982_13_a1 ER -