Wang, Paul S. "Symbolic Evaluation of Definite Integrals by Residue Theory in Macsyma" pp823-827

Rosenfeld, Jack L. (1974) Rosenfeld, Jack L. (Ed.): Information Processing 74, Proceedings of IFIP Congress 74, Stockholm, Sweden, August 5-10, 1974  

Languages mentioned MACSYMA {1969} Symbolic math system