A. N. Varchenko and P. I. Etingof books & textbook
Why the Boundary of a Round Drop Becomes a Curve of Order Four (University Lecture Series)
A. N. Varchenko and P. I. Etingof
American Mathematical Society /1992-08-19 Paperback / 72 Pages
isbn-10: 0821870025 / isbn-13: 9780821870020
