@article{SM_2009_200_8_a1,
     author = {P. A. Borodin},
     title = {Approximation by simple partial fractions on the semi-axis},
     journal = {Sbornik. Mathematics},
     pages = {1127--1148},
     publisher = {mathdoc},
     volume = {200},
     number = {8},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2009_200_8_a1/}
}