1. A.V. Aho, R. Sethi, J.D. Ullman, Compilers: Principles, Techniques and Tools, Addisson–Wesley, Reading, Massachusetts, 1986
2. B. Buchberger, G.E. Collins, R. Loos (Eds.), Computer Algebra, Symbolic and Algebraic Computation, 2nd ed., Springer, Wien, Österreich, 1983
3. R. Cameron, A. Dixon, Symbolic Computing with LISP, Prentice Hall, Englewood Cliffs, New Jersey, 1992
4. K.O. Geddes, S.R. Czapor, G. Labahn, Algorithms for Computer Algebra, Kluwer Academic Publisher, Boston, Massachusetts, 1992
5. S.H. Goldberg, Solution of an electrical network using a digital computer, M.S. thesis, Electrical Engineering Dep't., MIT, Cambridge, Mass., 1959