%0 Journal Article
%A A. I. El'tsov
%T On the squarability in the Lebesgue sense of a~type of ruled surface
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1964
%P 40-45
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1964_1_a5/
%G ru
%F IVM_1964_1_a5