This monthly journal, published since 1900, is devoted entirely to research in pure and applied mathematics, and, in general, includes longer papers than those in the Proceedings of the American ...

https://doi.org/10.5951/jresematheduc.43.4.0465 • https://www.jstor.org/stable/10.5951/jresematheduc.43.4.0465 Copy URL The purpose of this article is to elaborate ...