@article{10_4064_ap_41_2_89_97,
     author = {A. Smajdor and W. Smajdor},
     title = {Multi-valued solutions of a functional equation},
     journal = {Annales Polonici Mathematici},
     pages = {89--97},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1983},
     doi = {10.4064/ap-41-2-89-97},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-41-2-89-97/}
}