@article{DAN_1967_176_2_a0,
     author = {D. L. Berman},
     title = {An investigation of interpolation processes constructed with an extended system of {P.\,L.~Chebyshev} nodes},
     journal = {Doklady Akademii Nauk},
     pages = {239--242},
     publisher = {mathdoc},
     volume = {176},
     number = {2},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_2_a0/}
}