Tom M. Apostol, Mamikon A. Mnatsakanian. Isoperimetric and Isoparametric Problems. The American Mathematical Monthly, 111(2):118-136, 2004. [doi]
@article{ApostolM04,
title = {Isoperimetric and Isoparametric Problems},
author = {Tom M. Apostol and Mamikon A. Mnatsakanian},
year = {2004},
url = {http://www.jstor.org/stable/4145213},
researchr = {https://researchr.org/publication/ApostolM04},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {111},
number = {2},
pages = {118-136},
}