sympy/sympy — pull request #1129 by manoj2378 (2012-03-16 08:45:29+00:00)
Title: Symbolic repr of gamma functions with rational arguments(denominators 3,4 added)

@asmeurer
Extended bits of code for gamma(Rational(n,3)) and gamma(Rational(n,4))..which is already existing for gamma(Rational(n,2))....All Tests passed.