S. Siryk. Accuracy and Stability of the Petrov–Galerkin Method for Solving the Stationary Convection-Diffusion Equation. Cybern Syst Anal 50(2) (2014) DOI 10.1007/s10559-014-9615-7
H. Zakerdoost, H. Ghassemi, M. Iranmanesh. Solution of Boundary Value Problems Using Dual Reciprocity Boundary Element Method. Adv. Appl. Math. Mech. 9(3) (2017) DOI 10.4208/aamm.2014.m783