@article{IVM_1977_5_a11,
     author = {V. P. Tsvetkov},
     title = {A~differential equation for a~certain class of orthogonal {Bern\v{s}te} {in-Szeg\~o} polynomials},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {117--121},
     publisher = {mathdoc},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_5_a11/}
}