@article{1096901777, author = {Kowalski, Tomasz}, title = {Retraction note for ``PDL has interpolation''}, journal = {J. Symbolic Logic}, volume = {69}, number = {1}, year = {2004}, language = {en}, url = {http://dml.mathdoc.fr/item/1096901777} }
Kowalski, Tomasz. Retraction note for “PDL has interpolation”. J. Symbolic Logic, Tome 69 (2004) no. 1, . http://gdmltest.u-ga.fr/item/1096901777/