Willers, F. A., & Beyer, R. T. t. (1948). Practical analysis: Graphical and numerical methods. Dover Publications.
Chicago Style aipamenaWillers, Friedrich Adolf, and Robert Thomas tr Beyer. Practical Analysis: Graphical and Numerical Methods. New York: Dover Publications, 1948.
MLA aipamenaWillers, Friedrich Adolf, and Robert Thomas tr Beyer. Practical Analysis: Graphical and Numerical Methods. Dover Publications, 1948.
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