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- Butzer, Paul Leo, 1928- (1)
- Chebotarev, G. A. (Gleb Aleksandrovich) (1)
- Colloquium on Astrophysics (1)
- Conference on Linear Operators and Approximation (1)
- Delplace, A. M. (Anne Marie) (1)
- Hack, Margherita (1)
- International Astronomical Union (1)
- International Astronomical Union. Colloquium (1)
- International Astronomical Union. Symposium (1)
- Kahane, Jean-Pierre, 1926- (1)
- Kazimirchak-Polonskaia, E. I. (1)
- Marsden, B. G. (1)
- Mathematisches Forschungsinstitut Oberwolfach (1)
- Osservatorio astronomico di Trieste (1)
- Strobel, G. Cayrel de, 1920- (1)
- Szőkefalvi-Nagy, Béla, 1913- (1)