Mathematics

POINCARÉ, HENRI.

(Berlin, Uppsala & Stockholm, Paris, 1905.

HAUSDORFF, F. [FELIX].

Leipzig, B. G. Teubner, 1908.

MENGER, KARL.

(Berlin, Julius Springer, 1926).

ZEUTHEN, H.G.

København, 1885.

HARDY, G.H.

Oxford, Clarendon Press, (1956).

FRAENKEL, ADOLF.

Berlin, Julius Springer, 1928.

HAHN, HANS.

N.Y., 1948.

HAHN, HANS.

N.Y., Chelsea Publishing Compagny, 1948.

MAYER, MARIA G. & EDWARD TELLER.

Lancaster, American Institute of Physics, 1949.

SPECHT, WILHELM.

Berlin, Göttingen, heidelberg, 1956.

(BONNEZ ?).

Uden sted og år, ca. 1850.

NEWANLINNA, ROLF.

Berlin, Göttingen, Heidelberg, Springer Verlag, 1953.

CECH, EDUARD.

N.Y., London, Prag, Academic Press, 1969.

LEVENS, A.S.

N.Y., Ldn., 1948.