@article{10_4153_CJM_1995_064_3,
     author = {Ledet, Arne},
     title = {On {2-Groups} as {Galois} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {1253--1273},
     year = {1995},
     volume = {47},
     number = {6},
     doi = {10.4153/CJM-1995-064-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1995-064-3/}
}