@article{1183732821, author = {Anderson, Alan Ross}, title = {Independent Axiom Schemata for Von Wright's $M$}, journal = {J. Symbolic Logic}, volume = {22}, number = {1}, year = {1957}, pages = { 241-244}, language = {en}, url = {http://dml.mathdoc.fr/item/1183732821} }
Anderson, Alan Ross. Independent Axiom Schemata for Von Wright's $M$. J. Symbolic Logic, Tome 22 (1957) no. 1, pp. 241-244. http://gdmltest.u-ga.fr/item/1183732821/