Best One-Sided L<sup>1</sup>-Approximation by Blending Functions of Order (2, 2).

Dimiter Dryanov Petar Petrov Best One-Sided L<sup>1</sup>-Approximation by Blending Functions of Order (2, 2). 72-99 2002 115 Journal of Approximation Theory 1 http://dx.doi.org/10.1006/jath.2001.3652 db/journals/jat/jat115.html#DryanovP02