• Alen Mary Rudin
  • Peter Sgall (Praha, CZ)
  • Aleksandar Strogalov
  • Z. Sikic
  • Alfred Tarski
  • Wolfgang Teubert (Germany)
  • B. Theodors
  • C. V. M. Tihomirov
  • D. Tioshaim
  • W. Pfafer
  • V. M. Zolotarev
  • K. Wehmeirer
  • Ravi Kulkarni (New York, USA)
  • Olga Pokorna (Praha, Czech Republik)
  • Josef Mikes (Olomouc, Czech Republik)
  • Paola Matzeu (Cagliari, Italia)
  • Leopold Verstraelen (Leuven, Belgium)
  • Pol Verhayen (Belgium)
  • Lieven Vanhecke (Leuven, Belgium)
  • Antonio Martinez Naveira (Valencia, Spain)
  • Laslo Verhoczki (Budapest, Hungary)
  • P. Libermann (Paris, France)
  • Franco Tricerri (Florence, Italy)
  • Manlio Bordoni (Roma, Italy)
  • S. Yamaguchi (Tokyo, Japan)
  • Akitsugu Kawaguchi (Japan)
  • Ch. Baikoussis (Ioannina,Greece)
  • K. Bartocci (Genova,Italy)
  • C. Bejan (Iasi, Romania)
  • A. Bejancu (Iasi, Romania)
  • D.E. Blair (East Lansing, Usa)
  • A. Chkmazian (Yeravan)
  • T. Otsuki (Tokyo, Japan)
  • B. Papantoniou (Greece)
  • A.M. Pastore(Bari, Italy)
  • D. Perrone (Lecce, Itally)
  • P. Piccini (Roma, Italy)
  • K. Sekigawa (Niigata, Japan)
  • A. Shelechov (Kalinin, Russia)
  • U. Simon (Berlin, Deutschland)
  • G. Stanilov (Sofia, Bulgaria)
  • J. Szenthe (Budapest, Hungary)
  • P. Tamia-Demopoulou (Thessaloniki, Greece)
  • L. Di-Terlizzi (Bari, Italy)
  • I. Vaisman (Haifa, Israel)
  • F. Verroca (Bari, Italy)
  • H. Vogler (Graz, Austria)
  • G. Weiss (Wien, Austria)
  • V. Zoller (Budapest, Hungary)
  • R. Miron (Iasi, Romania)
  • Udriste (Bucharest, Romania)
  • Marta Holai (Hungary, England, Greece)
  • J. Horvath (Budapest, Hungary)
  • P. Delanoe (Nice, France)
  • M. Falcitelli(Bari, Italy)
  • A. Farinola (Bari, Italy)
  • A. Fleischer (Tartu, Estonia)
  • V.V. Goldberg (New Jersey, Usa)
  • F. Gouli-Andreou (Thessaloniki, Greece)
  • A. Gray (Maryland, Usa)
  • H. Izumi (Japan)
  • T. Kashiwada (Ochanomizu, Japan)
  • M. Kirkovits (Sopron, Hungary)
  • Th. Kouforgiorgos (Ioannina, Greece)
  • V.B. Lazareva (Kalinin, USSR)
  • U. Lumiste (Tartu, Estonia)
  • F. Manhart (Vien, Austria)
  • R.A. Marinosci (Lecce, Italy)
  • M. Okumura (Saitama,Japan)
  • N.M. Ostianu (Moscow, Russia)