%0 Journal Article %A Beilin, Sergei A. %T Existence of solutions for one-dimensional wave equations with nonlocal conditions %J Electronic journal of differential equations %D 2001 %V 2001 %U http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a233/ %G en %F EJDE_2001__2001__a233