%0 Journal Article %A Hirofumi Tsumura %T On some combinatorial relations for Tornheim's double series %J Acta Arithmetica %D 2002 %P 239-252 %V 105 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa105-3-3/ %R 10.4064/aa105-3-3 %G en %F 10_4064_aa105_3_3