@Article{JCM-8-241, author = {Li , Jia-Kai and Xu , Guo-Liang}, title = {On the Problem of Best Rational Approximation with Interpolating Constraints (II)}, journal = {Journal of Computational Mathematics}, year = {1990}, volume = {8}, number = {3}, pages = {241--251}, abstract = {

This paper is a continuation of [2]. In this part of the conjoint paper, we establish some results about uniqueness /non-uniqueness, the properties for the set of best approximants, strong uniqueness and continuity of the best approximation operator.  

}, issn = {1991-7139}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jcm/9437.html} }