@article{10_21136_CPM_1978_108625,
     author = {Porubsk\'y, \v{S}tefan},
     title = {Translated geometric progressions and covering systems},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {141--146},
     publisher = {mathdoc},
     volume = {103},
     number = {2},
     year = {1978},
     doi = {10.21136/CPM.1978.108625},
     mrnumber = {0491434},
     zbl = {0388.10034},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1978.108625/}
}