@article{SM_2001_192_2_a7,
     author = {D. N. Tulyakov},
     title = {Local asymptotics of the~ratio of orthogonal polynomials in the~neighbourhood of an~end-point of the~support of the~orthogonality measure},
     journal = {Sbornik. Mathematics},
     pages = {299--321},
     publisher = {mathdoc},
     volume = {192},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2001_192_2_a7/}
}