The following publications are possibly variants of this publication:
- The radial basis function-differential quadrature method for elliptic problems in annular domainsDaniel W. Watson, Andreas Karageorghis, C. S. Chen. jcam, 363:53-76, 2020. [doi]
- Radial point interpolation collocation method based approximation for 2D fractional equation modelsQingxia Liu, Pinghui Zhuang, Fawang Liu, Minling Zheng, Shanzhen Chen. cma, 97:153-161, 2021. [doi]