@article{10_4153_CJM_1968_013_7,
     author = {Dempster, M. A. H.},
     title = {On the {Gotlieb-Csima} {Time-Tabling} {Algorithm}},
     journal = {Canadian journal of mathematics},
     pages = {103--119},
     year = {1968},
     volume = {20},
     number = {1},
     doi = {10.4153/CJM-1968-013-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-013-7/}
}