@article{10_4064_aa_45_2_145_152,
     author = {R. Simpson},
     title = {Regular coverings of the integers by arithmetic progressions},
     journal = {Acta Arithmetica},
     pages = {145--152},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1985},
     doi = {10.4064/aa-45-2-145-152},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-45-2-145-152/}
}