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References from Characterizations of Negative Definability in Modal Logic. Local targets link to admitted publications; unresolved targets remain external evidence.
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1989 · External reference
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10.1007/978-94-009-8384-7_3
10.1007/978-94-009-8384-7_3 · 1981 · External reference
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1993 · External reference
10.1007/bf01054038
10.1007/bf01054038 · 1993 · External reference
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1976 · External reference
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1976 · External reference
10.1007/bfb0062855
10.1007/bfb0062855 · 1975 · External reference
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1990 · External reference
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1991 · External reference
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1997 · External reference
10.1007/bf00293447
10.1007/bf00293447 · 1989 · External reference
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1993 · External reference
10.2307/2275293
10.2307/2275293 · 1992 · External reference
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10.2307/2275109
10.2307/2275109 · 1993 · External reference
