Mathematics

ZEUTHEN, H.G.

København, 1885.

POINCARÉ, H.

Berlin, G. Reimer, 1905,

BRADBURY, RAY.

[No place], The Crowell-Collier Publishing Company, 1952.

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.

QUINE, WILLARD ORMAN VAN.

Cambridge, Massachusetts, Harvard University Press, 1934.

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.