Vanishing moments for scaling vectors. - David Karl Ruch (Int. J. Math. Math. Sci., 2004)

A note on comprehensive backward biorthogonalization. - David Karl Ruch (Int. J. Math. Math. Sci., 2006)

Nonnegative Scaling Vectors on the Interval. - David Karl Ruch; Patrick J. Van Fleet (Axioms, 2013)