@article{10_4064_aa_44_4_389_395,
     author = {Ivan Korec},
     title = {Irreducible disjoint covering systems},
     journal = {Acta Arithmetica},
     pages = {389--395},
     publisher = {mathdoc},
     volume = {44},
     number = {4},
     year = {1984},
     doi = {10.4064/aa-44-4-389-395},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-44-4-389-395/}
}