@Article{JCM-5-210, author = {Guo-Liang Xu and Jia-Kai Li}, title = {On the Cardinalities of Interpolating Restricted Ranges}, journal = {Journal of Computational Mathematics}, year = {1987}, volume = {5}, number = {3}, pages = {210--214}, abstract = {

The cardinalities of interpolating restricted range $R_1(m,n)$ for best rational approximation are discussed. The conditions under which the cardinality of $R_1(m,n)$ is 0 or 1 or $∞$ are established by using the results obtained in [3,4].

}, issn = {1991-7139}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jcm/9544.html} }