@article{MM2_1984__49_155042, author = {Werner Georg Nowak}, title = {Lattice {Points} in a {Circle} and {Divisors} in {Arithmetic} {Progressions.}}, journal = {Manuscripta mathematica}, pages = {195--206}, publisher = {mathdoc}, volume = {49}, year = {1984}, zbl = {0528.10031}, url = {http://geodesic.mathdoc.fr/item/MM2_1984__49_155042/} }