%0 Journal Article %A L. Yu. Kolotilina %T On the application of net groups to sparse matrix theory %J Zapiski Nauchnykh Seminarov POMI %D 1983 %P 93-100 %V 124 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1983_124_a6/ %G ru %F ZNSL_1983_124_a6