%0 Journal Article %A Varbanov, Zlatko %T Some new Results for Additive Self-Dual Codes over GF(4) %J Serdica Journal of Computing %D 2007 %P 213-227 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJC_2007_1_2_a7/ %G en %F SJC_2007_1_2_a7