@article{SM_1981_38_4_a7,
     author = {V. A. Kalyagin},
     title = {On a~class of polynomials defined by two orthogonality relations},
     journal = {Sbornik. Mathematics},
     pages = {563--580},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1981_38_4_a7/}
}