@book{13680,
	author = {Seminar on Theory and Applications of Spline Functions, Mathematics Research Center, Univ. of Wisconsin, Madison, Oct. 7-9, 1968 and Greville, Thomas N. E. ; ed.},
	title = {Theory and applications of spline functions; proceedings},
	publisher = {Academic Press},
	year = {1969},
	address = {New York}
}