Mathematics

MORGAN, AUGUSTUS de.

London, Routledge & Kegan Paul, 1966.

WEYL, HERMANN.

Leipzig, B.G. Teubner, 1910.

QUINE, WILLARD ORMAN VAN (+) S. C. KLEENE.

(Wisconsin), The Association for Symbolic Logic, 1937.

DEDEKIND, VON R.

Leipzig, B.G. Teubner, 1897.

BROUWER, L. E. J. [LUITZEN EGBERTUS JAN]. (+) DAVID HILBERT.

Leipzig, B.G. Teubner, 1912.

HAMEL, GEORG.

Beræin, Göttingen, 1949.

KOWALEWSKI, GERHARD.

Leipzig, Berlin, Teubner, 1923.

HARDY, G.H.

Cambridge, University Press, 1910.

HELLWIG, GÜNTER.

Stuttgart, 1960.

COURANT, R.

Berlin, J. Springer, 1930-29.

SCHOENFLIES, A.

Berlin, J. Springer, 1925.

COMPUTERS - LEE, JOHN A.N.

N.Y., Reinhold, (1966).

RAY, WILLIAM O.

New Jersey, (1988).

TIETZE, HEINRICH.

München, Biederstein Verlag, 1949.

VIVANTI, G.

leipzig, Teubner, 1906.

MIKUSINSKI, JAN.

London, N.Y., (1959).

BETH, EVERT W.

Dordrecht, (1962).

FORSYTHE, GEORGE E. AND WOLFGANG R. WASOW.

N.Y., London, (1960).