Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1964__84_170246, author = {Carlton Christensen}, title = {Complementation in groups.}, journal = {Mathematische Zeitschrift}, pages = {52--69}, publisher = {mathdoc}, volume = {84}, year = {1964}, zbl = {0134.02703}, url = {http://geodesic.mathdoc.fr/item/MZ_1964__84_170246/} }
Carlton Christensen. Complementation in groups.. Mathematische Zeitschrift, Tome 84 (1964), pp. 52-69. http://geodesic.mathdoc.fr/item/MZ_1964__84_170246/