Semi-groups of operators and approximation /

Míreanna Comhchosúla

• Semi groups of operators and approximation /
  le: Butzer, Paul L.
  Foilsithe: (1967)
• Semi-groups & Operation and approximation/
  le: Butxer, Paul L
  Foilsithe: (1967)
• Group and semi group rings/
  le: karpilovsky, Grogery
  Foilsithe: (1986)
• Abstract spaces and approximation. Abstrakte R�ume und Approximation. Proceedings of the conference held at the Mathematical Research Institute at Oberwolfach, Black Forest, July 18-27, 1968.
  le: Butzer, P. L. ed
  Foilsithe: (1969)
• Functional analysis and approximation : proceedings of the conference held at the Mathematical Research Institute at Oberwolfach, Black Forest, August 9-16, 1980 /
  le: Butzer, Paul Leo, ed
  Foilsithe: (1981)