@article{1183386542, author = {Vredenduin, P. G. J.}, title = {A System of Strict Implication}, journal = {J. Symbolic Logic}, volume = {4}, number = {1}, year = {1939}, pages = { 73-76}, language = {en}, url = {http://dml.mathdoc.fr/item/1183386542} }
Vredenduin, P. G. J. A System of Strict Implication. J. Symbolic Logic, Tome 4 (1939) no. 1, pp. 73-76. http://gdmltest.u-ga.fr/item/1183386542/