%0 Journal Article %A Mila Stojaković %A Ljiljana Gajić %T Martingale for R-Fuzzy Valued Random Variable %J Yugoslav journal of operations research %D 1994 %P 3 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_1994_4_1_a0/ %G en %F YJOR_1994_4_1_a0