@article{1183735044, author = {Cresswell, M. J.}, title = {On the Logic of Incomplete Answers}, journal = {J. Symbolic Logic}, volume = {30}, number = {1}, year = {1965}, pages = { 65-68}, language = {en}, url = {http://dml.mathdoc.fr/item/1183735044} }
Cresswell, M. J. On the Logic of Incomplete Answers. J. Symbolic Logic, Tome 30 (1965) no. 1, pp. 65-68. http://gdmltest.u-ga.fr/item/1183735044/