@article{10_4064_ap_9_2_119_136,
     author = {J. Kordylewski and M. Kuczma},
     title = {On some linear functional equations},
     journal = {Annales Polonici Mathematici},
     pages = {119--136},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1960},
     doi = {10.4064/ap-9-2-119-136},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-9-2-119-136/}
}