%0 Journal Article %A Fikret Vajzović %T On The Functional Equation: T1(t+s) T2(t-s) = T3(t) T4(s) %J Publications de l'Institut Mathématique %D 1964 %P 21 %V _N_S_04 %N 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1964_N_S_04_18_a2/ %F PIM_1964_N_S_04_18_a2