@book{18965,
	author = {Encyclopaedia of Mathematical Sciences and Egorov, Yu V. ; ed.},
	title = {Partial differential equations; Pt.II - Elements of the modern theory ; equations with constant coefficients},
	publisher = {Springer-Verlag},
	year = {1994},
	series = {Encyclopaedia of Mathematical Sciences},
	address = {New York},
	note = {"Purchased under NBHM grant for the year 1998-99"}
}