@article{GDZPPN002306131, title = {Structures on Manifolds Defined by Cross-Sections.}, journal = {Mathematische Annalen}, volume = {196}, year = {1972}, pages = {163-170}, zbl = {0219.57018}, url = {http://dml.mathdoc.fr/item/GDZPPN002306131} }
Thomas, C.B. Structures on Manifolds Defined by Cross-Sections.. Mathematische Annalen, Tome 196 (1972) pp. 163-170. http://gdmltest.u-ga.fr/item/GDZPPN002306131/