1. S. Akhtari, A. Togbé, and P. G. Walsh, On the equation aX4-bY2 = 2, Acta Arith. 131 (2008), no. 2, 145–169.[MR]
  2. Shabnam Akhtari, The diophantine equation aX4 – bY2 = 1, Journal fur die Reine und Angewandte Mathematik, to appear (2009), 20 pages.[arXiv]
  3. Shabnam Akhtari, The method of Thue-Siegel for binary quartic forms, preprint (2009), 35 pages.[arXiv]