@article{1093957733,
author = {Pogorzelski, Henry A.},
title = {Commutative recursive word arithmetic in the alphabet of prime numbers.},
journal = {Notre Dame J. Formal Logic},
volume = {5},
number = {1},
year = {1964},
pages = { 13-23},
language = {en},
url = {http://dml.mathdoc.fr/item/1093957733}
}
Pogorzelski, Henry A. Commutative recursive word arithmetic in the alphabet of prime numbers.. Notre Dame J. Formal Logic, Tome 5 (1964) no. 1, pp. 13-23. http://gdmltest.u-ga.fr/item/1093957733/