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@article{JRAM_1970__245_151054, author = {Betty Kvarda Garrison}, title = {A nontransformation proof of {Mann's} density theorem.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {41--46}, publisher = {mathdoc}, volume = {245}, year = {1970}, zbl = {0206.06203}, url = {http://geodesic.mathdoc.fr/item/JRAM_1970__245_151054/} }
Betty Kvarda Garrison. A nontransformation proof of Mann's density theorem.. Journal für die reine und angewandte Mathematik, Tome 245 (1970), pp. 41-46. http://geodesic.mathdoc.fr/item/JRAM_1970__245_151054/