References
- G. H. Hardy, J. E. Littlewood, and G. Pólya, Inequalities, Cambridge, 1934.
References
- W. Sierpinski, Sur un problème concernant les nombres k·2n+1, Elem. Math, 15 (1960) 73–4.
- Problem 4995, this Monthly, 70 (1963) 101–2.
Reference
- N. A. Court, On the De Longchamps circle of the triangle, this Monthly, 33 (1926) 368–375.
- N. A. Court, College geometry, 2nd ed., Barnes and Noble, New York, 1952.
- H. S. M. Coxeter, Introduction to geometry, Wiley, New York, 1961.
References
- N. C. Ankeny, One more proof of the fundamental theorem of algebra, this Monthly, 54 (1947) 464.