Why the boundary of a round drop becomes a curve of order four
A. N. Varchenko and P. I. Etingof.
Providence, R.I. : American Mathematical Society, 1992.
viii, 72 págs. : ilustraciones ; 26 cm.
Serie: University lecture series ; v. 3
ISBN: 0821870025
Bibliografía: p. 71-72.
Reseña: MathSciNet, 93k:58056