@article{10_4064_cm_27_2_277_281,
     author = {Klaus Wohlfahrt},
     title = {\"Uber {Funktionalgleichungen} zahlentheoretischer {Funktionen}},
     journal = {Colloquium Mathematicum},
     pages = {277--281},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1973},
     doi = {10.4064/cm-27-2-277-281},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-27-2-277-281/}
}