Sergei Starchenko, Andrei Voronkov. On connections between classical and constructive semantics. In Per Martin-Löf, Grigori Mints, editors, COLOG-88, International Conference on Computer Logic, Tallinn, USSR, December 1988, Proceedings. Volume 417 of Lecture Notes in Computer Science, pages 275-285, Springer, 1988.
Abstract is missing.