@article{1195520163, author = {Nagata, Jun-iti}, title = {On multi-valued mappings and generalized metric spaces}, journal = {Proc. Japan Acad.}, volume = {46}, number = {10}, year = {1970}, pages = { 936-940}, language = {en}, url = {http://dml.mathdoc.fr/item/1195520163} }
Nagata, Jun-iti. On multi-valued mappings and generalized metric spaces. Proc. Japan Acad., Tome 46 (1970) no. 10, pp. 936-940. http://gdmltest.u-ga.fr/item/1195520163/