@article{IM2_2021_85_3_a2,
     author = {V. I. Buslaev},
     title = {On a~lower bound for the rate of convergence of multipoint {Pad\'} e approximants of piecewise analytic functions},
     journal = {Izvestiya. Mathematics },
     pages = {351--366},
     publisher = {mathdoc},
     volume = {85},
     number = {3},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2021_85_3_a2/}
}