@article{10_4064_aa_50_2_171_182,
     author = {Marc Berger and Alexander Felzenbaum and Aviezri Fraenkel},
     title = {Disjoint covering systems with precisely one multiple modulus},
     journal = {Acta Arithmetica},
     pages = {171--182},
     publisher = {mathdoc},
     volume = {50},
     number = {2},
     year = {1988},
     doi = {10.4064/aa-50-2-171-182},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-50-2-171-182/}
}