@article{AM2_1968__1_135955,
     author = {W. Smajdor},
     title = {Analytic {Solutions} of the {Equation} ... {With} {Right} {Side} {Contracting.} {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {198--199},
     publisher = {mathdoc},
     volume = {1},
     year = {1968},
     zbl = {0162.20501},
     url = {http://geodesic.mathdoc.fr/item/AM2_1968__1_135955/}
}