On the non-quadraticity of values of the $q$-exponential function and related $q$-series
Volume 136 / 2009
Acta Arithmetica 136 (2009), 243-269
MSC: Primary 11J72, 11J82; Secondary 11C20, 15A15, 33D15.
DOI: 10.4064/aa136-3-4