@article{1093635086, author = {Kearns, John T.}, title = {Le\'sniewski's strategy and modal logic.}, journal = {Notre Dame J. Formal Logic}, volume = {30}, number = {2}, year = {1989}, pages = { 291-307}, language = {en}, url = {http://dml.mathdoc.fr/item/1093635086} }
Kearns, John T. Leśniewski's strategy and modal logic.. Notre Dame J. Formal Logic, Tome 30 (1989) no. 2, pp. 291-307. http://gdmltest.u-ga.fr/item/1093635086/