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16 Publications
1993 | Journal Article | LibreCat-ID: 19814
Flögel A, Kleine Büning H, Lettmann T. On the restricted equivalence for subclasses of propositional logic. RAIRO - Theoretical Informatics and Applications. 1993:327-340. doi:10.1051/ita/1993270403271
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| DOI
1991 | Report | LibreCat-ID: 19822
Dahn BI, Lettmann T, Schönfeld W. ILFA Interface Concept. Vol 193. ´Heidelberg: Wissenschaftliche Zentrum der IBM Deutschland ; 1991.
LibreCat
1989 | Journal Article | LibreCat-ID: 19818
Kleine Büning H, Lettmann T, Mayr EW. Projections of vector addition system reachability sets are semilinear. Theoretical Computer Science. 1989:343-350. doi:10.1016/0304-3975(89)90055-8
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1988 | Conference Paper | LibreCat-ID: 19820
Kleine Büning H, Lettmann T. Perspektiven für die Logikprogrammierung. In: Rahmstorf G, ed. Workshop Wissensrepräsentation in Expertensystemen. Berlin, Heidelberg; 1988:56-78.
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1987 | Book Chapter | LibreCat-ID: 19821
Büning HK, Lettmann T. Representation independent query and update operations on propositional definite Horn formulas. In: Börger E, ed. Computation Theory and Logic. Berlin, Heidelberg; 1987:208-223. doi:10.1007/3-540-18170-9_167
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