@article{SM_2002_193_7_a5,
     author = {Yu. A. Neretin},
     title = {Beta-integrals and finite orthogonal systems of {Wilson} polynomials},
     journal = {Sbornik. Mathematics},
     pages = {1071--1089},
     year = {2002},
     volume = {193},
     number = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2002_193_7_a5/}
}