@article{IVM_1986_5_a2,
     author = {M. A. Akivis and T. B. Zhogova},
     title = {Local properties of certain algebraic two-parameter families of two-dimensional planes in $P_5$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {16--18},
     year = {1986},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1986_5_a2/}
}