%0 Journal Article %A Masáková, Zuzana %A Vávra, Tomáš %T Arithmetics in numeration systems with negative quadratic base %J Kybernetika %D 2011 %P 74-92 %V 47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2011__47_1_a5/ %G en %F KYB_2011__47_1_a5