@article{INTG_1974_6_a8,
     author = {R. F. Dombrovskii},
     title = {On the geometry of tangentially framed surfaces in~$P_n$},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {171--188},
     publisher = {mathdoc},
     volume = {6},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1974_6_a8/}
}