%0 Journal Article %A Takuya Okamoto %T Generalizations of Apostol–Vu and Mordell–Tornheim multiple zeta functions %J Acta Arithmetica %D 2009 %P 169-187 %V 140 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa140-2-5/ %R 10.4064/aa140-2-5 %G en %F 10_4064_aa140_2_5