%0 Journal Article %A Ryuta Hashimoto %T Note on a theorem of Rockett and Szusz on a diophantine equation $x^2-dy^2=N$ %J Acta Arithmetica %D 2001 %P 1-13 %V 98 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa98-1-1/ %R 10.4064/aa98-1-1 %G de %F 10_4064_aa98_1_1