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@article{CMH_1979__54_139805, author = {Harsh V. Pittie}, title = {The secondary characteristic classes of parabolic foliations.}, journal = {Commentarii mathematici Helvetici}, pages = {601--614}, publisher = {mathdoc}, volume = {54}, year = {1979}, zbl = {0435.57007}, url = {http://geodesic.mathdoc.fr/item/CMH_1979__54_139805/} }
Harsh V. Pittie. The secondary characteristic classes of parabolic foliations.. Commentarii mathematici Helvetici, Tome 54 (1979), pp. 601-614. http://geodesic.mathdoc.fr/item/CMH_1979__54_139805/