@article{1093894226, author = {Makinson, David}, title = {Some embedding theorems for modal logic.}, journal = {Notre Dame J. Formal Logic}, volume = {12}, number = {1}, year = {1971}, pages = { 252-254}, language = {en}, url = {http://dml.mathdoc.fr/item/1093894226} }
Makinson, David. Some embedding theorems for modal logic.. Notre Dame J. Formal Logic, Tome 12 (1971) no. 1, pp. 252-254. http://gdmltest.u-ga.fr/item/1093894226/