@article{10_14708_cm_v48i1_5264,
     author = {Leszek Olszowy},
     title = {On existence of solutions of a quadratic {Urysohn} integral equation on an unbounded interval},
     journal = {Commentationes Mathematicae},
     pages = { 103--112},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {2008},
     doi = {10.14708/cm.v48i1.5264},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v48i1.5264/}
}