%0 Journal Article
%A M. A. El'-Saied
%T Factorization of certain quadratic operator pencils
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1987
%P 44-45
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1987_3_a11/
%G ru
%F VMUMM_1987_3_a11