@article{PFMT_2021_2_a11,
     author = {N. V. Ryabchenko},
     title = {Trigonometric {Pad\'e} approximants of special functions},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {81--83},
     publisher = {mathdoc},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2021_2_a11/}
}