@article{CMJ_2008__58_3_a13,
     author = {Nagy, P\'eter T. and Strambach, Karl},
     title = {Schreier loops},
     journal = {Czechoslovak Mathematical Journal},
     pages = {759--786},
     publisher = {mathdoc},
     volume = {58},
     number = {3},
     year = {2008},
     mrnumber = {2455937},
     zbl = {1166.20058},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2008__58_3_a13/}
}