@article{SM_1974_22_2_a8,
     author = {E. M. Chirka},
     title = {Expansions in series and the rate of rational approximations for holomorphic functions with analytic singularities},
     journal = {Sbornik. Mathematics},
     pages = {323--332},
     year = {1974},
     volume = {22},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1974_22_2_a8/}
}