Mathematics
Mathematics
CAYLEY, ARTHUR. - A FUNDAMENTAL PAPER ON INVARIANT THEORY.
An Introductory Memoir upon Qu..(London, Richard Taylor and William Francis, 1854).
LOBATSCHEFSKIJ - ENGEL, FRIEDRICH. (LOBACHEVSKY, LOBACHEVSKII, LOBACEVSKIJ, LOBATSCHEWSKJI)
Nikolaj Iwanowitch Lobatschefs..Leipzig, B.G. Tuebner, 1898-99.
ADDISON, J.W., LEON HENKIN, ALFRED TARSKI (EDTS.).
The Theory of Models. Proceedi..Amsterdam, London, North-Holland, (1970).
HINTIKKA, JAAKKO.
Identity, Variables, and Impre..(No place), The Association for Symbolic Logic, Inc., 1956 + 1957.