V. Wiktor Marek, Grigori Schwarz, Miroslaw Truszczynski. Ranges of Strong Modal Nonmonotonic Logics. In Jürgen Dix, Klaus P. Jantke, Peter H. Schmitt, editors, Nonmonotonic and Inductive Logic, 1st International Workshop, Karlsruhe, Germany, December 4-7, 1990, Proceedings. Volume 543 of Lecture Notes in Computer Science, pages 85-99, Springer, 1990.
Abstract is missing.