@article{1183737760,
author = {Parikh, Rohit},
title = {Existence and Feasibility in Arithmetic},
journal = {J. Symbolic Logic},
volume = {36},
number = {1},
year = {1971},
pages = { 494-508},
language = {en},
url = {http://dml.mathdoc.fr/item/1183737760}
}
Parikh, Rohit. Existence and Feasibility in Arithmetic. J. Symbolic Logic, Tome 36 (1971) no. 1, pp. 494-508. http://gdmltest.u-ga.fr/item/1183737760/