@book{14708,
	author = {Symposium on Constructive and Computational Methods for Differential and Integral Equations, Indiana Univ., Feb. 17-20, 1974 and Cotton, D. L.},
	title = {Constructive and computational methods for differential and integral equations},
	publisher = {Springer-Verlag,},
	year = {1974},
	address = {Berlin:}
}