@book{12898,
	author = {Aranson, S. Kh. and Others and Belitsky, G. R. ; jt. auth.},
	title = {Introduction to the qualitative theory of dynamical systems on surfaces},
	publisher = {American Mathematical Society},
	year = {1996},
	series = {Translations of Mathematical monographs},
	address = {Providence},
	note = {"Purchased under NBHM grant for the year 1996-97"}
}