What should be assumed about the integral polynomials in order that the solvability of the congruence for sufficiently large primes p implies the solvability of the equation in integers x? We provide some explicit characterizations for the cases when are binomials or have cyclic splitting fields.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ba52-2-3,
author = {Mariusz Ska\l ba},
title = {On Alternatives of Polynomial Congruences},
journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
volume = {52},
year = {2004},
pages = {123-132},
zbl = {1107.11003},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ba52-2-3}
}
Mariusz Skałba. On Alternatives of Polynomial Congruences. Bulletin of the Polish Academy of Sciences. Mathematics, Tome 52 (2004) pp. 123-132. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ba52-2-3/