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3. V. V. Klyuyev and N. I. Kokovkin-Scherbak, “On the Minimization of the Number of Arithmetic Operations for the Solution of Linear Algebraic Systems of Equations,” Technical Report CS 24, Computer Science Department, Stanford University, 1965.
4. B. Noble, Applied Linear Algebra, Prentice-Hall, Inc., Englewood Cliffs, N.J., 1969.
5. C. E. Froberg, Introduction to Numerical Analysis, Addison-Wesley Publishing Company, Inc., Reading, Mass., 1969.