@article{1093890708, author = {Meyer, Robert K.}, title = {On relevantly derivable disjunctions.}, journal = {Notre Dame J. Formal Logic}, volume = {13}, number = {3}, year = {1972}, pages = { 476-480}, language = {en}, url = {http://dml.mathdoc.fr/item/1093890708} }
Meyer, Robert K. On relevantly derivable disjunctions.. Notre Dame J. Formal Logic, Tome 13 (1972) no. 3, pp. 476-480. http://gdmltest.u-ga.fr/item/1093890708/