Semi groups of operators and approximation /

Eitemau Tebyg

• Semi-groups of operators and approximation /
  gan: Butzer Paul L.
  Cyhoeddwyd: (1967)
• Semi-groups & Operation and approximation/
  gan: Butxer, Paul L
  Cyhoeddwyd: (1967)
• Group and semi group rings/
  gan: karpilovsky, Grogery
  Cyhoeddwyd: (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.
  gan: Butzer, P. L. ed
  Cyhoeddwyd: (1969)
• Functional analysis and approximation : proceedings of the conference held at the Mathematical Research Institute at Oberwolfach, Black Forest, August 9-16, 1980 /
  gan: Butzer, Paul Leo, ed
  Cyhoeddwyd: (1981)