Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{PIM_1984_N_S_35_49_a1, author = {Kosta Do\v{s}en}, title = {Intuitionistic {Double} {Negation} as a {Necessity} {Operator}}, journal = {Publications de l'Institut Math\'ematique}, pages = {15 }, publisher = {mathdoc}, volume = {_N_S_35}, number = {49}, year = {1984}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1984_N_S_35_49_a1/} }
Kosta Došen. Intuitionistic Double Negation as a Necessity Operator. Publications de l'Institut Mathématique, _N_S_35 (1984) no. 49, p. 15 . http://geodesic.mathdoc.fr/item/PIM_1984_N_S_35_49_a1/