@article{1183736233, author = {Karp, Carol}, title = {Review: Erwin Engeler, A Reduction-Principle for Infinite Formulas}, journal = {J. Symbolic Logic}, volume = {33}, number = {1}, year = {1968}, language = {en}, url = {http://dml.mathdoc.fr/item/1183736233} }
Karp, Carol. Review: Erwin Engeler, A Reduction-Principle for Infinite Formulas. J. Symbolic Logic, Tome 33 (1968) no. 1, . http://gdmltest.u-ga.fr/item/1183736233/