@article{10_1017_S2040618500035024, author = {Ennola, Veikko}, title = {A lemma about the {Epstein} zeta-function}, journal = {Glasgow mathematical journal}, pages = {198--201}, year = {1964}, volume = {6}, number = {4}, doi = {10.1017/S2040618500035024}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500035024/} }