@article {MATHEDUC.02340403,
author = {Bankov, K.},
title = {Principle of the extreme element.},
year = {1999},
journal = {The Mathematical Gazette},
volume = {83},
number = {496},
issn = {0025-5572},
pages = {2-9},
publisher = {Cambridge University Press, Cambridge; Mathematical Association (MA), Leicester},
doi = {10.2307/3618677},
abstract = {The principle of the extreme is illustrated implicitly by showing how it helps to solve some non-standard mathematical problems. After a few examples from geometry using the largest angle in a figure, ten non-trivial problems are solved and several for the reader to solve.},
msc2010 = {D50xx},
identifier = {2001d.03205},
}