By van Alten C.   Raftery J.   in Studia Logica

ISSN:0039-3215|63|2|213-222

Springer Publishing Company ‎(1999)‎

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By Van Alten C.J.   in Quaestiones Mathematicae

ISSN:1727-933X|27|1|39-45

Taylor & Francis Ltd‎(2004)‎

Access to resources Favorite 4.2362123

By Labuschagne C.C.A.   Pinchuck A.L.   van Alten C.J.   in Quaestiones Mathematicae

ISSN:1727-933X|30|3|285-308

Taylor & Francis Ltd‎(2007)‎

Access to resources Favorite 2.6476326