@article{AM2_1968__1_135984, author = {W. Maier and A. Effenberger}, title = {Additive {Inhaltsmasse} im positiv gekr\"ummten {Raum.} {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {308--309}, publisher = {mathdoc}, volume = {1}, year = {1968}, zbl = {0175.49103}, url = {http://geodesic.mathdoc.fr/item/AM2_1968__1_135984/} }