%0 Journal Article
%A Kh. D. Ikramov
%A L. Él'zner
%T On normal matrices with normal principal submatrices
%J Zapiski Nauchnykh Seminarov POMI
%D 1995
%P 63-94
%V 229
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1995_229_a2/
%G ru
%F ZNSL_1995_229_a2