@article{1093888402, author = {Muzio, J. C.}, title = {A note concerning a sole sufficient operator.}, journal = {Notre Dame J. Formal Logic}, volume = {19}, number = {1}, year = {1978}, pages = { 419-420}, language = {en}, url = {http://dml.mathdoc.fr/item/1093888402} }
Muzio, J. C. A note concerning a sole sufficient operator.. Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, pp. 419-420. http://gdmltest.u-ga.fr/item/1093888402/