%0 Journal Article %A Witold KosiƄski %A Piotr Prokopowicz %T Algebra of fuzzy numbers. %J Mathematica Applicanda %D 2004 %P 37-63 %V 32 %N 46/05 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v32i46/05.1237/ %R 10.14708/ma.v32i46/05.1237 %G pl %F 10_14708_ma_v32i46_05_1237