On the optimal shape parameter for Gaussian radial basis function finite difference approximation of the Poisson equation. - Oleg Davydov; Dang Thi Oanh (Comput. Math. Appl., 2011)

Adaptive meshless centres and RBF stencils for Poisson equation. - Oleg Davydov; Dang Thi Oanh (J. Comput. Phys., 2011)

Adaptive RBF-FD method for elliptic problems with point singularities in 2D. - Dang Thi Oanh; Oleg Davydov; Hoang Xuan Phu (Appl. Math. Comput., 2017)

Improved stencil selection for meshless finite difference methods in 3D. - Oleg Davydov; Dang Thi Oanh; Ngo Manh Tuong (J. Comput. Appl. Math., 2023)

OFC-Delaunay triangulation: A new efficient algorithm for merging two adjacent Delaunay triangulations. - Thanh An Phan; Trinh Minh Duc; Dang Thi Oanh (Discret. Math. Algorithms Appl., 2024)