@article{INTG_1987_19_a1,
     author = {N. D. Polyakov},
     title = {Submanifolds in differentiable manifolds provided with differential geometric structures. {VI.~}$CR$-submanifolds in a~manifold of almost contact structure},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {23--57},
     publisher = {mathdoc},
     volume = {19},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1987_19_a1/}
}