@article{1183741968,
author = {Richard, Denis},
title = {Answer to a Problem Raised by J. Robinson: the Arithmetic of Positive or Negative Integers is Definable From Successor and Divisibility},
journal = {J. Symbolic Logic},
volume = {50},
number = {1},
year = {1985},
pages = { 927-935},
language = {en},
url = {http://dml.mathdoc.fr/item/1183741968}
}
Richard, Denis. Answer to a Problem Raised by J. Robinson: the Arithmetic of Positive or Negative Integers is Definable From Successor and Divisibility. J. Symbolic Logic, Tome 50 (1985) no. 1, pp. 927-935. http://gdmltest.u-ga.fr/item/1183741968/