Disproof the Four Counterexamples for Beal's Conjecture

Valdir Monteiro dos Santos Godoi
2015 Bulletin of Mathematical Sciences and Applications  
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.
doi:10.18052/www.scipress.com/bmsa.13.13 fatcat:iw2lmmeuqjhpdmk5gb2nzxsypa