Căn bậc hai (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Căn bậc hai" in Vietnamese language version.

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Parkhurst, David F. (2006). Introduction to Applied Mathematics for Environmental Science. Springer. tr. 241. ISBN 9780387342283.
Solow, Anita E. (1993). Learning by Discovery: A Lab Manual for Calculus. Cambridge University Press. tr. 48. ISBN 9780883850831.

books.google.com

Gel'fand, p. 120
Zill, Dennis G.; Shanahan, Patrick (2008). A First Course in Complex Analysis With Applications (ấn bản 2). Jones & Bartlett Learning. tr. 78. ISBN 0-7637-5772-1. Extract of page 78
Heath, Sir Thomas L. (1921). A History of Greek Mathematics, Vol. 2. Oxford: Clarendon Press. tr. 323–324.
Muller, Jean-Mic (2006). Elementary functions: algorithms and implementation. Springer. tr. 92–93. ISBN 0-8176-4372-9., Chapter 5, p 92