@article{00219479, title = {On a functional equation occurring in astrophysics.}, journal = {Mathematica Pannonica}, volume = {3}, year = {1992}, pages = {17-27}, zbl = {0772.39003}, language = {en}, url = {http://dml.mathdoc.fr/item/00219479} }
Kuczma, M. On a functional equation occurring in astrophysics.. Mathematica Pannonica, Tome 3 (1992) pp. 17-27. http://gdmltest.u-ga.fr/item/00219479/