@article{Vakarchuk_Myskin_2005, title={Some Problems of Simultaneous Approximation of Functions of Two Variables and Their Derivatives by Interpolation Bilinear Splines}, volume={57}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/3583}, abstractNote={Exact estimates for the errors of approximation of functions of two variables and their derivatives by interpolation bilinear splines are obtained on certain classes.}, number={2}, journal={Ukrains’kyi Matematychnyi Zhurnal}, author={Vakarchuk, S. B. and Myskin, K. Yu.}, year={2005}, month={Feb.}, pages={147–157} }