@article{1093637773, author = {Cohen, Daniel H.}, title = {The problem of counterpossibles.}, journal = {Notre Dame J. Formal Logic}, volume = {28}, number = {1}, year = {1987}, pages = { 91-101}, language = {en}, url = {http://dml.mathdoc.fr/item/1093637773} }
Cohen, Daniel H. The problem of counterpossibles.. Notre Dame J. Formal Logic, Tome 28 (1987) no. 1, pp. 91-101. http://gdmltest.u-ga.fr/item/1093637773/