@article{GDZPPN002376849, title = {Integralgeometrie 13. Zur Kinematik}, journal = {Mathematische Zeitschrift}, volume = {40}, year = {1936}, pages = {465-478}, zbl = {0014.27406}, url = {http://dml.mathdoc.fr/item/GDZPPN002376849} }
Blaschke, W. Integralgeometrie 13. Zur Kinematik. Mathematische Zeitschrift, Tome 40 (1936) pp. 465-478. http://gdmltest.u-ga.fr/item/GDZPPN002376849/