1.
Vakarchuk SB, Myskin KY. Some Problems of Simultaneous Approximation of Functions of Two Variables and Their Derivatives by Interpolation Bilinear Splines. Ukr. Mat. Zhurn. [Internet]. 2005Feb.25 [cited 2024Nov.22];57(2):147–157. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3583