@article{10_4064_ap_67_3_205_214,
     author = {Tomasz Cz{\l}api\'nski},
     title = {On existence and uniqueness of solutions of nonlocal problems for hyperbolic differential-functional equations in two independent variables},
     journal = {Annales Polonici Mathematici},
     pages = {205--214},
     publisher = {mathdoc},
     volume = {67},
     number = {3},
     year = {1997},
     doi = {10.4064/ap-67-3-205-214},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-67-3-205-214/}
}