FRIEDMAN, B. (1956). Principles and techniques of applied: Mathematics. Wiley.
Chicago-čujuhus (17. p.)FRIEDMAN, Bernard. Principles and Techniques of Applied: Mathematics. New York: Wiley, 1956.
MLA-čujuhus (9. p.)FRIEDMAN, Bernard. Principles and Techniques of Applied: Mathematics. Wiley, 1956.
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