Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1953__12_3_114717, author = {Conkling, Randall and Ellis, David}, title = {On metric groupoids and their completions}, journal = {Portugaliae mathematica}, pages = {99--103}, publisher = {mathdoc}, volume = {12}, number = {3}, year = {1953}, mrnumber = {0060524}, zbl = {0051.25301}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1953__12_3_114717/} }
Conkling, Randall; Ellis, David. On metric groupoids and their completions. Portugaliae mathematica, Tome 12 (1953) no. 3, pp. 99-103. http://geodesic.mathdoc.fr/item/PORMA_1953__12_3_114717/