%0 Journal Article
%A E. K. Leont'ev
%T $r$-orthogonal compositions and their classification in Weyl and Riemannian spaces
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1977
%P 43-52
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1977_3_a5/
%G ru
%F IVM_1977_3_a5