@article{1093891110, author = {Clay, Robert E.}, title = {Two results in Le\'sniewski's mereology.}, journal = {Notre Dame J. Formal Logic}, volume = {14}, number = {1}, year = {1973}, pages = { 559-564}, language = {en}, url = {http://dml.mathdoc.fr/item/1093891110} }
Clay, Robert E. Two results in Leśniewski's mereology.. Notre Dame J. Formal Logic, Tome 14 (1973) no. 1, pp. 559-564. http://gdmltest.u-ga.fr/item/1093891110/