Construction of Compactly Supported Refinable Componentwise Polynomial Functions in R^2

Chen, Y. Y. (2000). Some Thoughts on the Polynomial Approximations to a Given Function. Chinese Journal of Physics, 38(5), 927-938. https://www.airitilibrary.com/Article/Detail?DocID=05779073-200010-201211300017-201211300017-927-938
Wu, J., Zhang, X., & Peng, L. (2010). Positive Approximation and Interpolation Using Compactly Supported Radial Basis Functions. Mathematical Problems in Engineering, 2010(), 1384-1393-278. https://doi.org/10.1155/2010/964528
Lippus, J., & Oja, T. (2012). On Conformal Geospatial Transformations with Complex Polynomials. Proceedings of the Estonian Academy of Sciences, 61(1), 65-70. https://www.airitilibrary.com/Article/Detail?DocID=17367530-201203-201310180033-201310180033-65-70
SALEH, S. (1998). REGULARIZED SUM FOR EIGENFUNCTIONS OF MULTI-POINT PROBLEM IN THE COMMENSURABLE CASE. International Journal of Mathematics and Mathematical Sciences, 1998(), 519-532. https://doi.org/10.1155/S0161171298000738
Lippus, J., & Oja, T. (2012). On Conformal Geospatial Transformations with Complex Polynomials. Proceedings of the Estonian Academy of Sciences. Physics, Mathematics, 61(1), 65-70. https://www.airitilibrary.com/Article/Detail?DocID=14060086-201203-201205160006-201205160006-67-72