@article{1093891104, author = {Gersting, Judith L.}, title = {Infinite series of $T$-regressive isols.}, journal = {Notre Dame J. Formal Logic}, volume = {14}, number = {1}, year = {1973}, pages = { 519-526}, language = {en}, url = {http://dml.mathdoc.fr/item/1093891104} }
Gersting, Judith L. Infinite series of $T$-regressive isols.. Notre Dame J. Formal Logic, Tome 14 (1973) no. 1, pp. 519-526. http://gdmltest.u-ga.fr/item/1093891104/