Proposals for a formalized epistemology
Kluwer Academic Publishers
éditions Economica, Paris, 2002, ISBN 2 7178 4461 9, 363 pages
Cambridge university Press, 2001, ISBN 05 21 80361 6 302 pages
Ed. 0dile Jacob, Paris 2002, ISBN 2.7381.1119.X, 448 pages.