The Method of Differentiating under the Integral Sign. - Gert Almkvist; Doron Zeilberger (J. Symb. Comput., 1990)

A maple program that finds, and proves, recurrences and differential equations satisfied by hyperexponential definite integrals. - Gert Almkvist; Doron Zeilberger (SIGSAM Bull., 1991)

Asymptotic Formulas and Generalized Dedekind Sums. - Gert Almkvist (Exp. Math., 1998)

Borwein and Bradley's Apérv-Like Formulae for ζ(4n + 3). - Gert Almkvist; Andrew Granville (Exp. Math., 1999)

Partitions with Parts in a Finite Set and with Parts Outside a Finite Set. - Gert Almkvist (Exp. Math., 2002)

Some New Formulas for π. - Gert Almkvist; Christian Krattenthaler; Joakim Petersson (Exp. Math., 2003)

Ramanujan-like formulas for 1/π2 a la Guillera and Zudilin and Calabi-Yau differential equations. - Gert Almkvist (Comput. Sci. J. Moldova, 2009)

Ramanujan-like Series for 1/π2 and String Theory. - Gert Almkvist; Jesús Guillera (Exp. Math., 2012)

Ramanujan-Sato-Like Series. - Gert Almkvist; Jesús Guillera (Number Theory and Related Fields, 2013)