@article{1040308832, author = {Jaspars, Jan O. M.}, title = {Partial Up and Down Logic}, journal = {Notre Dame J. Formal Logic}, volume = {36}, number = {1}, year = {1995}, pages = { 134-157}, language = {en}, url = {http://dml.mathdoc.fr/item/1040308832} }
Jaspars, Jan O. M. Partial Up and Down Logic. Notre Dame J. Formal Logic, Tome 36 (1995) no. 1, pp. 134-157. http://gdmltest.u-ga.fr/item/1040308832/