Mathematics

WEYL, HERMANN.

Leipzig und Berlin, B.G. Teubner, 1913.

LA GRANGE (LAGRANGE), JOSEPH LOUIS. - MAXIMA AND MINIMA.

(Berlin, Haude et Spener, 1767 and Berlin, Ch. Fr. Voss, 1774).

POINCARÉ, HENRI.

(Berlin, Uppsala & Stockholm, Paris, 1895).

KLEIN, FELIX.

(Leipzig, B.F. Teubner, 1871 a. 1873).

WIEDEMANN, E. und F. HAUSER.

Halle, Max Niemeyer, 1918.

HEINE, E.

Berlin, Georg Reimer, 1861.

NEYMAN, J. - DAVID, F.N. (EDT.).

London, John Wiley & Sons, 1966.

SZABO, ARPAD.

München, R. Oldenburg, 1969.

ROSSER, J. BARKLY.

New York, McGraw-Hill Book Comp., 1953

KOBRINSKII, N. E. & B. A. TRAKHTENBROT.

Amsterdam, North-Holland Publ. Comp., 1965.

CHANDRASEKHAR, SUBRAMANYAN.

Lancaster, American Physical Society, 1943.

CARNAP, RUDOLF.

(Chicago, 1965).

HINTIKKA, JAAKKO.

Ithaca, New York, Cornell University Press, (1962).

HINTIKKA, JAAKKO.

Ithaca, New York, Cornell University Press, (1962).

HINTIKKA, JAAKKO.

Ithaca, New York, Cornell University Press, (1964).

HINTIKKA, JAAKKO.

Ithaca, New York, Cornell University Press, (1967).

PASTON, TIM AND IAN STEWART.

London, San Francisco, (1978).

LAURENT, H.

Paris, n.d.ca. 1900.