@article{1214432423, author = {Nijenhuis, Albert}, title = {On Chern's kinematic formula in integral geometry}, journal = {J. Differential Geom.}, volume = {9}, number = {3}, year = {1974}, pages = { 475-482}, language = {en}, url = {http://dml.mathdoc.fr/item/1214432423} }
Nijenhuis, Albert. On Chern's kinematic formula in integral geometry. J. Differential Geom., Tome 9 (1974) no. 3, pp. 475-482. http://gdmltest.u-ga.fr/item/1214432423/