@article{1183739735, author = {Segerberg, Krister}, title = {The Truth about Some Post Numbers}, journal = {J. Symbolic Logic}, volume = {41}, number = {1}, year = {1976}, pages = { 239-244}, language = {en}, url = {http://dml.mathdoc.fr/item/1183739735} }
Segerberg, Krister. The Truth about Some Post Numbers. J. Symbolic Logic, Tome 41 (1976) no. 1, pp. 239-244. http://gdmltest.u-ga.fr/item/1183739735/