@article{JRAM_1979__309_152145,
     author = {R. Perlis and A. Schinzel},
     title = {Zeta functions and the equivalence of integral forms.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {176--182},
     publisher = {mathdoc},
     volume = {309},
     year = {1979},
     zbl = {0406.10019},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__309_152145/}
}