@article{JMAG_1998_5_1_a7,
     author = {Yu. A. Nikolaevskii},
     title = {Totally umbilical submanifolds in~$G(2,n)${.~IV}},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {95--113},
     year = {1998},
     volume = {5},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JMAG_1998_5_1_a7/}
}