@article{SM_1981_39_2_a6,
     author = {A. A. Gonchar and K. N. Lungu},
     title = {Poles of diagonal {Pad\'e} approximants and the analytic continuation of functions},
     journal = {Sbornik. Mathematics},
     pages = {255--266},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1981_39_2_a6/}
}