%0 Journal Article %A Svetozar Kurepa %T On The Functional Equation: T1(t+s) T2(t-s) = T3(t) T4(s) %J Publications de l'Institut Mathématique %D 1962 %P 99 %V _N_S_02 %N 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1962_N_S_02_16_a12/ %F PIM_1962_N_S_02_16_a12