@article{10_4153_CMB_2007_056_3,
     author = {Labute, John and Lemire, Nicole and Min\'a\v{c}, J\'an and Swallow, John},
     title = {Cohomological {Dimension} and {Schreier's} {Formula} in {Galois} {Cohomology}},
     journal = {Canadian mathematical bulletin},
     pages = {588--593},
     year = {2007},
     volume = {50},
     number = {4},
     doi = {10.4153/CMB-2007-056-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2007-056-3/}
}