@article{IVM_1998_8_a10,
     author = {V. A. Mirzoyan},
     title = {Submanifolds with higher-order semiparallel fundamental forms as envelopes},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {79--80},
     publisher = {mathdoc},
     number = {8},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1998_8_a10/}
}