Qiu S. L. & Vuorinen M. : Nagoya Math. J 154 (1999), 31-56. #169

Landen inequalities for hypergeometric functions.


Qiu S. L. & Vuorinen M. : SIAM J. Math. Anal. 30 (1999), 1057-1075. #169

Infinite products and the normalized quotients of hypergeometric functions.