TY - JOUR AU - Zhi-Hong Sun TI - The expansion of $\prod_{k=1}^{\infty }(1-q^{ak})(1-q^{bk})$ JO - Acta Arithmetica PY - 2008 SP - 11 EP - 29 VL - 134 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa134-1-2/ DO - 10.4064/aa134-1-2 LA - en ID - 10_4064_aa134_1_2 ER -