%0 Journal Article
%A V. V. Smirnova
%T A~certain stratification of pairs of two-parameter families of planes in $P_5$
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1969
%P 76-86
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1969_11_a8/
%G ru
%F IVM_1969_11_a8