@article{IVM_1989_8_a11,
     author = {D. L. Berman},
     title = {Investigation of the convergence of all possible extensions of the {Hermite--Fej\'er} interpolation process constructed for {Legendre} nodes},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {72--76},
     publisher = {mathdoc},
     number = {8},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1989_8_a11/}
}