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Cormen, Thomas H., Charles E. Leiserson, Ronald L. Rivest, and Clifford Stein. Introduction to Algorithms. 2nd ed. Cambridge, Mass. : New Delhi: MIT Press ; Prentice Hall of India Privavte. Ltd., 2001.

Cormen, Thomas H., et al. Introduction to Algorithms. 2nd ed. MIT Press ; Prentice Hall of India Privavte. Ltd., 2001.