Неједнакост — разлика између измена

* {{Cite book |ref= harv|author=Hardy, G., Littlewood J.E., Polya, G.| title=Inequalities| publisher=Cambridge Mathematical Library, Cambridge University Press | year=1999 | isbn=0-521-05206-8}}

* {{Cite book |ref= harv|author=Beckenbach, E.F., Bellman, R.| title=An Introduction to Inequalities| publisher=Random House Inc | year=1975 | isbn=0-394-01559-2}}

* {{cite paper|title="Quickie" inequalities|author=Murray S. Klamkin|url=http://www.pims.math.ca/pi/issue7/page26-29.pdf|format=PDF|work=Math Strategies}}

* {{cite web|title=Mathematical Problem Solving|url=http://www.math.kth.se/math/TOPS/index.html|author=Harold Shapiro|date=missingdate|publisher=Kungliga Tekniska högskolan|work=The Old Problem Seminar}}