%0 Journal Article %A Zhang, Changgui %T On the modular behaviour of the infinite product $ (1-x)(1-xq)(1-x{q}^{2})(1-x{q}^{3})\cdots $ %J Comptes Rendus. Mathématique %D 2011 %P 725-730 %V 349 %N 13-14 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2011.06.019/ %R 10.1016/j.crma.2011.06.019 %G en %F CRMATH_2011__349_13-14_725_0