極化恒等式 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "極化恒等式" in Japanese language version.

refsWebsite

Global rank Japanese rank

2books.google.com

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5,921^st place

books.google.com

Philippe Blanchard, Erwin Brüning (2003). “Proposition 14.1.2 (Fréchet–von Neumann–Jordan)”. Mathematical methods in physics: distributions, Hilbert space operators, and variational methods. Birkhäuser. p. 192. ISBN 0817642285
Francis Begnaud Hildebrand (1992). “Equation 66, the natural definition”. Methods of applied mathematics (Reprint of Prentice-Hall 1965 2nd ed.). Courier Dover Publications. p. 24. ISBN 0-486-67002-3

univie.ac.at

mat.univie.ac.at

Gerald Teschl (2009). “Theorem 0.19 (Jordan–von Neumann)”. Mathematical methods in quantum mechanics: with applications to Schrödinger operators. American Mathematical Society Bookstore. p. 19. ISBN 0-8218-4660-4