@article{VVGUM_2020_23_2_a1,
     author = {A. A. Klyachin and A. G. Panch{\cyre}nko},
     title = {Error estimation of area calculation for piecewise polynomial approximation},
     journal = {Matemati\v{c}eska\^a fizika i kompʹ\^uternoe modelirovanie},
     pages = {22--30},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VVGUM_2020_23_2_a1/}
}