@article{10_4153_CJM_1979_036_1,
     author = {Sember, John and Raphael, Marc},
     title = {The {Unrestricted} {Section} {Properties} of {Sequences}},
     journal = {Canadian journal of mathematics},
     pages = {331--336},
     year = {1979},
     volume = {31},
     number = {2},
     doi = {10.4153/CJM-1979-036-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-036-1/}
}