On extremal subspaces and approximation of periodic functions by splines of minimal defect

@article{Korneiuk1975OnES,
  title={On extremal subspaces and approximation of periodic functions by splines of minimal defect},
  author={N. Kornei{\vc}uk},
  journal={Analysis Mathematica},
  year={1975},
  volume={1},
  pages={91-101}
}
AbstractН. П. Корнейчук СССР, ДНЕПРОПЕТРОВСК 320 625 ПР. ГАГАРИНА 72 ДНЕПРОПЕТРОВСКИЙ ГО СУДАРСТВЕННЫЙ УНИВЕ РСИТЕТ 
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