In journal, probably by mistake, was published a paper which intended give some counterexamples of the Beal’s conjecture. Unfortunately these counterexamples are wrong, and the Beal ́s conjecture hold true.
Bulletin of Mathematical Sciences and Applications (Volume 13)
V. M. dos Santos Godoi "Disproof the Four Counterexamples for Beal's Conjecture", Bulletin of Mathematical Sciences and Applications, Vol. 13, pp. 13-13, 2015