1. Bogen R. A. et al MACSYMA Reference Manual Version 8 Laboratory for Computer Science (formerly Project MAC) MIT Cambridge MA November 1975. Bogen R. A. et al MACSYMA Reference Manual Version 8 Laboratory for Computer Science (formerly Project MAC) MIT Cambridge MA November 1975.
2. Greenspan H. P. and Benney D. J. Calculus - an introduction to applied mathematics McGraw-Hill NY 1973. Greenspan H. P. and Benney D. J. Calculus - an introduction to applied mathematics McGraw-Hill NY 1973.