@article{IVM_1967_11_a10,
     author = {G. I. Natanson},
     title = {A~two-sided estimate for the {Lebesgue} function of the {Lagrange} interpolation process with {Jacobi} nodes},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {67--74},
     publisher = {mathdoc},
     number = {11},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1967_11_a10/}
}