@article{DAN_1970_194_2_a2,
     author = {E. V. Voronovskaya},
     title = {The structure of extremal polynomials with a common subdistribution},
     journal = {Doklady Akademii Nauk},
     pages = {253--256},
     publisher = {mathdoc},
     volume = {194},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_194_2_a2/}
}