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@article{CMUC_2000__41_2_a12, author = {Pflugfelder, Hala Orlik}, title = {Historical notes on loop theory}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {359--370}, publisher = {mathdoc}, volume = {41}, number = {2}, year = {2000}, mrnumber = {1780877}, zbl = {1037.01010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_2000__41_2_a12/} }
Pflugfelder, Hala Orlik. Historical notes on loop theory. Commentationes Mathematicae Universitatis Carolinae, Tome 41 (2000) no. 2, pp. 359-370. http://geodesic.mathdoc.fr/item/CMUC_2000__41_2_a12/