%0 Journal Article
%A L. Yu. Kolotilina
%T SSDD matrices and relations with other subclasses of nonsingular $\mathcal H$-matrices
%J Zapiski Nauchnykh Seminarov POMI
%D 2024
%P 57-88
%V 534
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_2024_534_a2/
%G ru
%F ZNSL_2024_534_a2