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==References== {{refbegin|30em}} *{{citation | last1 = Alsina | first1 = Claudi | last2 = Nelsen | first2 = Roger B. | isbn = 978-0-88385-342-9 | mr = 2498836 | publisher = Mathematical Association of America, Washington, DC | series = The Dolciani Mathematical Expositions | title = When less is more: Visualizing basic inequalities | volume = 36 | year = 2009}} *{{citation | last = Arslanagić | first = Šefket | contribution = Problem ''η''44 | url = https://www.imomath.com/othercomp/Journ/ineq.pdf | page = 151 | title = Inequalities proposed in Crux Mathematicorum }} *{{citation | last1 = Ball | first1 = W. W. Rouse | author1-link = W. W. Rouse Ball | last2 = Coxeter | first2 = H. S. 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