@article{PMIHES_1974__44__79_0,
     author = {Moss E. Sweedler},
     title = {Groups of simple algebras},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {79--189},
     year = {1974},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {44},
     doi = {10.1007/BF02685882},
     mrnumber = {51 #587},
     zbl = {0314.16008},
     language = {en},
     url = {https://pmihes.centre-mersenne.org/articles/10.1007/BF02685882/}
}