@article{1183738454, author = {Segerberg, Krister}, title = {Post Completeness in Modal Logic}, journal = {J. Symbolic Logic}, volume = {37}, number = {1}, year = {1972}, pages = { 711-715}, language = {en}, url = {http://dml.mathdoc.fr/item/1183738454} }
Segerberg, Krister. Post Completeness in Modal Logic. J. Symbolic Logic, Tome 37 (1972) no. 1, pp. 711-715. http://gdmltest.u-ga.fr/item/1183738454/