@article{IVM_1971_2_a2,
     author = {D. L. Berman},
     title = {Investigations of interpolation processes that are constructed with extended systems of nodes},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {22--32},
     publisher = {mathdoc},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_2_a2/}
}