@article{urn:eudml:doc:40706, title = {Extension of cross-sections and a generalized de Rham theorem.}, journal = {Collectanea Mathematica}, volume = {31}, year = {1980}, pages = {141-157}, zbl = {0459.58001}, mrnumber = {MR0611557}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:40706} }
Gomez, Francisco. Extension of cross-sections and a generalized de Rham theorem.. Collectanea Mathematica, Tome 31 (1980) pp. 141-157. http://gdmltest.u-ga.fr/item/urn:eudml:doc:40706/