TY - JOUR AU - Beilin, Sergei A. TI - Existence of solutions for one-dimensional wave equations with nonlocal conditions JO - Electronic Journal of Differential Equations PY - 2001 VL - 2001 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a77/ LA - en ID - EJDE_2001__2001__a77 ER -