@article{MAN_1952__125_160310, author = {A. Rose}, title = {Self-Dual {Primitives} for {Modal} {Logic.}}, journal = {Mathematische Annalen}, pages = {284--286}, publisher = {mathdoc}, volume = {125}, year = {1952}, zbl = {0053.19902}, url = {http://geodesic.mathdoc.fr/item/MAN_1952__125_160310/} }