%0 Journal Article %A Borzymowski, Andrzej %T The third boundary value problem for a nonlinear system of second order hyperbolic integro-differential equations %J Mathematica slovaca %D 1998 %P 271-283 %V 48 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1998__48_3_a5/ %G en %F MASLO_1998__48_3_a5