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@article{MOMA_1988__105_2_178381, author = {P. Mani-Levitska}, title = {A {Simple} {Proof} of the {Kinematic} {Formula.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {279--286}, publisher = {mathdoc}, volume = {105}, number = {2}, year = {1988}, zbl = {0652.60018}, url = {http://geodesic.mathdoc.fr/item/MOMA_1988__105_2_178381/} }
P. Mani-Levitska. A Simple Proof of the Kinematic Formula.. Monatshefte für Mathematik, Tome 105 (1988) no. 2, pp. 279-286. http://geodesic.mathdoc.fr/item/MOMA_1988__105_2_178381/