@article{10_4153_CMB_1971_102_x,
     author = {Jr, Japheth Hall},
     title = {A {Condition} for {Equality} of {Cardinals} of {Minimal} {Generators} {Under} {Closure} {Operators}},
     journal = {Canadian mathematical bulletin},
     pages = {569--570},
     year = {1971},
     volume = {14},
     number = {4},
     doi = {10.4153/CMB-1971-102-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-102-x/}
}