%0 Journal Article %A Masáková, Z. %A Vávra, T. %T Integers in number systems with positive and negative quadratic Pisot base %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2014 %P 341-367 %V 48 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ita/2014013/ %R 10.1051/ita/2014013 %G en %F ITA_2014__48_3_341_0