%0 Journal Article %A A. Pliƛ %T A uniqueness theorem for the solution of a family of hyperbolic integro-differential equations %J Annales Polonici Mathematici %D 1955 %P 135-137 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-1-1-135-137/ %R 10.4064/ap-1-1-135-137 %G en %F 10_4064_ap_1_1_135_137