@book{19762,
	author = {Balser, Werner},
	title = {Formal power series and linear systems of meromorphic ordinary differential equations},
	publisher = {Springer-Verlag},
	year = {2000},
	series = {Universitext},
	address = {New York},
	note = {"Purchased under NBHM grant for the year 1999-2000"}
}