@article{SM_2016_207_3_a1,
     author = {P. A. Borodin},
     title = {Approximation by simple partial fractions with constraints on the {poles.~II}},
     journal = {Sbornik. Mathematics},
     pages = {331--341},
     publisher = {mathdoc},
     volume = {207},
     number = {3},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2016_207_3_a1/}
}