Vadim Ermolayev
Allen, James
Robert Kowalski
Marian Gheorghe
Frank S. de Boer
Michael Huth
Cameron Hughes
Uspenskiĭ, V. A.
Grażyna Mirkowska-Salwicka
Logic Programming Conference (8th 1989 Tokyo, Japan)
Mi Lu
D. A. Wolfram
Fabrizio Riguzzi
Adrian-Horia Dediu
Enrico Pontelli
Gerard O'Regan
Robert L. Carpenter
Cyrille Artho
Andrei Voronkov
Anil Nerode