@article{SM_1999_190_4_a1,
     author = {D. Barrios and G. L. Lopes and A. Mart{\'\i}nez-Finkelshtein and E. Torrano},
     title = {Finite-dimensional approximations of the~resolvent of an~infinite band matrix and continued fractions},
     journal = {Sbornik. Mathematics},
     pages = {501--519},
     publisher = {mathdoc},
     volume = {190},
     number = {4},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1999_190_4_a1/}
}