@article{10_21136_CMJ_1974_101260,
     author = {Zn\'am, \v{S}tefan},
     title = {Vector-covering systems of arithmetic sequences},
     journal = {Czechoslovak Mathematical Journal},
     pages = {455--461},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1974},
     doi = {10.21136/CMJ.1974.101260},
     mrnumber = {0352032},
     zbl = {0311.10003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1974.101260/}
}