%0 Journal Article %A Atsuhira Nagano %T Double integrals on a weighted projective plane and Hilbert modular functions for $\mathbb {Q}(\sqrt {5})$ %J Acta Arithmetica %D 2015 %P 327-345 %V 167 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa167-4-2/ %R 10.4064/aa167-4-2 %G en %F 10_4064_aa167_4_2