%0 Journal Article %A Nobuhiro Terai %T On the exponential Diophantine equation (4m2 + 1)x + (21m2 − 1)y = (5m)z %J Annales mathematicae et informaticae %D 2020 %P 243-253 %V 52 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.33039/ami.2020.01.003/ %R 10.33039/ami.2020.01.003 %G en %F AMI_2020_52_a18