Sirik SV. Estimation of the Accuracy of Finite-Element Petrov–Galerkin Method in Integrating the One-Dimensional Stationary Convection-Diffusion-Reaction Equation. Ukr. Mat. Zhurn. [Internet]. 2015Jul.25 [cited 2024Apr.19];67(7):937-61. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2034