Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1972__47_139512, author = {K. Varadarajan}, title = {On {Topological} {Span}}, journal = {Commentarii mathematici Helvetici}, pages = {249--253}, publisher = {mathdoc}, volume = {47}, year = {1972}, zbl = {0244.57006}, url = {http://geodesic.mathdoc.fr/item/CMH_1972__47_139512/} }
K. Varadarajan. On Topological Span. Commentarii mathematici Helvetici, Tome 47 (1972), pp. 249-253. http://geodesic.mathdoc.fr/item/CMH_1972__47_139512/