@article{1178245004, author = {Nasu, Yasuo}, title = {On angular measure in a metric space}, journal = {Tohoku Math. J. (2)}, volume = {8}, number = {3}, year = {1956}, pages = { 1-12}, language = {en}, url = {http://dml.mathdoc.fr/item/1178245004} }
Nasu, Yasuo. On angular measure in a metric space. Tohoku Math. J. (2), Tome 8 (1956) no. 3, pp. 1-12. http://gdmltest.u-ga.fr/item/1178245004/