@article{Wunderlich&Selfridge:1974, key = "Wunderlich and Selfridge 1974", author = "M. C. Wunderlich and J. L. Selfridge", title = "A design for a number theory package with an optimized trial division routine", journal = CACM, volume = 17, year = 1974, pages = "272-276"} @article{Lidl&Matthews:1988, key = "Lidl and Matthews 1988", author = "R. Lidl and R. W. Matthews", title = "Galois: an algebra microcomputer package", journal = CN, volume = 66, year = 1988, pages = "145-156"} @incollection{Hollinger&Serf:1991, key = "Hollinger and Serf 1991", author = "C. Hollinger and P. Serf", title = "SIMATH -- a computer algebra system", booktitle = "Computational Number Theory", editor = "A. {Peth\"o} and M. E. Pohst and H. C. Williams and H. G. Zimmer", publisher = "Walter de Gruyter", address = "Berlin", year = 1991, pages = "331-342"}