%0 Journal Article %A Maohua Le %T A note on the diophantine equation ${k\choose 2}-1=q^n+1$ %J Colloquium Mathematicum %D 1998 %P 31-34 %V 76 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-76-1-31-34/ %R 10.4064/cm-76-1-31-34 %G en %F 10_4064_cm_76_1_31_34