@article{SM_1982_41_4_a1,
     author = {A. I. Aptekarev},
     title = {Asymptotics of {Hadamard} determinants and the convergence of rows of {Pad\'e} approximants for sums of exponentials},
     journal = {Sbornik. Mathematics},
     pages = {427--441},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {1982},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1982_41_4_a1/}
}