@article{CMJ_2009_59_1_a16,
     author = {Dunkum, Molly},
     title = {A {Generalization} of {Baer's} {Lemma}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {241--247},
     year = {2009},
     volume = {59},
     number = {1},
     mrnumber = {2486628},
     zbl = {1224.13015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2009_59_1_a16/}
}