@article{IVM_1987_11_a5,
     author = {\"U. G. Lumiste},
     title = {Reducibility of submanifolds with parallel third fundamental form},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {32--41},
     year = {1987},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1987_11_a5/}
}