Mathematics

URSIN, GEORG FREDRIK.

Kbhvn., reitzel, 1847.

WEYL, HERMANN.

Leipzig, Veit & Comp., 1918.

WEYL, HERMANN.

Erlangen, Weltkreis-Verlag, 1926.

EULER, LEONHARD. - FUNDAMENTAL PAPERS IN ACOUSTICS.

(Berlin, Haude et Spener, 1766).

WEIERSTRASS, KARL.

Berlin, Akaemie der Wissenschaften, 1880.

HEINE, E.

Berlin, G. Reimer, 1878-81.

CLAUSIUS, R.

Leipzig, J.A. Barth, 1877.

JEANS, J.H.

Cambridge, University Press, 1915.

HEINE, E.

Berlin, G. Reimer, 1878.

HEINE, E.

Berlin, G. Reimer, 1878.

HEINE, E.

Berlin, G. Reimer, 1881.

HEINE, E.

Berlin, G. Reimer, 1881.

HEYTING, (AREND).

Berlin, Julius Springer, 1934.

CULLWICK, E.G.

Cambridge, University Press, 1949.

HEINE, E.

Berlin, G. Reimer, 1881.

FERRARO, V.C.A.

London, Athlone Press, 1956.

HUSSERL, EDMUND.

Halle, Niemeyer, 1922 (Vol.1 and vol. 2, I) - 1921 (Vol 2, II).

BORTKIEWICZ, L. von.

Berlin, Julius Springer, 1917.