@article{SM_1977_32_2_a1,
     author = {E. A. Rakhmanov},
     title = {On the asymptotics of the ratio of orthogonal polynomials},
     journal = {Sbornik. Mathematics},
     pages = {199--213},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_32_2_a1/}
}