ISBN 9780821803691 books & textbook
Introduction to the Qualitative Theory of Dynamical Systems on Surfaces (Translations of Mathematical Monographs)
S. Kh. Aranson, G. R. Belitsky, and E. V. Zhuzhoma
American Mathematical Society /1996-07-30 Hardcover / 325 Pages
isbn-10: 0821803697 / isbn-13: 9780821803691
