@article{GDZPPN002383071, title = {The Theory of Subspaces of a Finsler Space. Part I.}, journal = {Mathematische Zeitschrift}, volume = {56}, year = {1952}, pages = {363-375}, zbl = {0047.41101}, url = {http://dml.mathdoc.fr/item/GDZPPN002383071} }
Rund, Hanno. The Theory of Subspaces of a Finsler Space. Part I.. Mathematische Zeitschrift, Tome 56 (1952) pp. 363-375. http://gdmltest.u-ga.fr/item/GDZPPN002383071/