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@article{CMH_1992__67_3_140255, author = {Xos\'e Masa}, title = {Duality and minimality in {Riemannian} foliations.}, journal = {Commentarii mathematici Helvetici}, pages = {17--27}, publisher = {mathdoc}, volume = {67}, number = {3}, year = {1992}, zbl = {0778.53029}, url = {http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140255/} }
Xosé Masa. Duality and minimality in Riemannian foliations.. Commentarii mathematici Helvetici, Tome 67 (1992) no. 3, pp. 17-27. http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140255/