@article{1103757617, author = {Robinson, Derek W.}, title = {A theorem concerning the positive metric}, journal = {Comm. Math. Phys.}, volume = {1}, number = {1}, year = {1965}, pages = { 89-94}, language = {en}, url = {http://dml.mathdoc.fr/item/1103757617} }
Robinson, Derek W. A theorem concerning the positive metric. Comm. Math. Phys., Tome 1 (1965) no. 1, pp. 89-94. http://gdmltest.u-ga.fr/item/1103757617/