@article{1183142153, author = {Church, Alonzo}, title = {Review: S. Pankajam, On Euler's $\phi$-Function and its Extensions}, journal = {J. Symbolic Logic}, volume = {1}, number = {1}, year = {1936}, language = {en}, url = {http://dml.mathdoc.fr/item/1183142153} }
Church, Alonzo. Review: S. Pankajam, On Euler's $\phi$-Function and its Extensions. J. Symbolic Logic, Tome 1 (1936) no. 1, . http://gdmltest.u-ga.fr/item/1183142153/