@article{PORMA_1967__26_1_115007,
     author = {Chidambaraswamy, J.},
     title = {On the functional equation $F(mn)F((m,n))=F(m)F(n)f((m,n))$},
     journal = {Portugaliae mathematica},
     pages = {101--107},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1967},
     mrnumber = {0248097},
     zbl = {0189.04302},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1967__26_1_115007/}
}