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I was once told that the inequality that most books in English seem to call "the Cauchy-Schwarz inequality" is called "Cauchy's inequality" in France, "Schwarz's inequality" in Germany (or Austria or whatever...I'm too lazy to find out where he's from), and "Bunyakovsky's inequality" in Russia and other countries that used to be part of the Soviet union. I'm just curious if this is true. Have you encountered the inequality in a text written in French/German/Russian? What was it called?