1. A. O. Slisenko, ?Complexity problems of computational theory,? Usp. Mat. Nauk,36, No. 6, 21?103 (1981).
2. V. N. Faddeeva and D. K. Faddeev, ?Parallel calculations in linear algebra,? Kibernetika,13, No. 6, 28?40 (1977).
3. V. N. Faddeeva and D. K. Faddeev, ?Parallel calculations in linear algebra. II,? Kinernetika,18, No. 3, 18?31 (1982).
4. V. I. Solodovnikov, ?Upper bounds of complexity of the solution of systems of linear equations,? in: The Theory of Complexity of Computations. I, J. Sov. Math.,29, No. 4 (1985).
5. D. Knuth, The Art of Computer Programming, Vol. 2, Addison-Wesley, Reading, Massachusetts-London (1969).