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@article{MAN_1930__103_159415, author = {L.J. Mordell}, title = {The {Lattice} {Points} in a {Parallelogram}}, journal = {Mathematische Annalen}, pages = {38--47}, publisher = {mathdoc}, volume = {103}, year = {1930}, zbl = {56.0175.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1930__103_159415/} }
L.J. Mordell. The Lattice Points in a Parallelogram. Mathematische Annalen, Tome 103 (1930), pp. 38-47. http://geodesic.mathdoc.fr/item/MAN_1930__103_159415/