@article{10_4064_cm_1_3_230_231,
     author = {Marceli Stark},
     title = {On a functional equation},
     journal = {Colloquium Mathematicum},
     pages = {230--231},
     publisher = {mathdoc},
     volume = {1},
     number = {3},
     year = {1947},
     doi = {10.4064/cm-1-3-230-231},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-1-3-230-231/}
}