@article{MZM_1977_22_5_a5,
     author = {A. V. Chakmazyan},
     title = {A~submanifold in $P^n$ with parallel normal subbundle which is normalized in the sense of {Norden}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {649--662},
     publisher = {mathdoc},
     volume = {22},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1977_22_5_a5/}
}