@article{1183741146, author = {Martin, E. P. and Meyer, R. K.}, title = {Solution to the $P-W$ Problem}, journal = {J. Symbolic Logic}, volume = {47}, number = {1}, year = {1982}, pages = { 869-887}, language = {en}, url = {http://dml.mathdoc.fr/item/1183741146} }
Martin, E. P.; Meyer, R. K. Solution to the $P-W$ Problem. J. Symbolic Logic, Tome 47 (1982) no. 1, pp. 869-887. http://gdmltest.u-ga.fr/item/1183741146/