1. Almkvist, G.: The Art of Finding Calabi–Yau Differential Equations. Dedicated to the 90-th Birthday of Lars Gårding. Gems in Experimental Mathematics. Contemporary Mathematics, vol. 517, pp. 1–18. American Mathematical Society, Providence (2010)
2. Almkvist, G., van Straten, D.: Update on Calabi–Yau operators, in preparation
3. Almkvist, G., Zudilin, W.: Differential equations, mirror maps and zeta values. In: Mirror symmetry. V, 481515, AMS/IP Studies in Advanced Mathematics, vol. 38. American Mathematical Society, Providence (2006)
4. Almkvist, G., van Enckevort, C., van Straten, D., Zudilin, W.: Tables of Calabi–Yau operators (2010). arXiv:math/0507430
5. André, Y.: G-functions and geometry. Aspects of Mathematics, E13. Friedr. Vieweg & Sohn, Braunschweig (1989)