Mathematics

BELL, E.T.

N.Y., McGraw-Hill, 1940.

SCHOLZ, HEINRICH & GISBERT HASENJAEGER.

Berlin & Göttingen & Heidelberg, Springer-Verlag, 1961.

BETH, E. W.

Paris, Gauthier-Villards, 1950.

BETH, E. W.

Paris, Gauthier-Villards, 1955.

WANG, HAO. & ROBERT NAUGHTON.

Paris, Gauthier-Villars, 1953.

ACKERMANN, WILHELM.

Berlin, Julius Springer, 1925.

KOWALEWSKI, GERHARD.

Lpz., 1933.

POINCARÉ, HENRI.

(Berlin, Uppsala & Stockholm, Paris, Almqvist & Wiksell, 1897).

OTTO, J.C.F.

Berlin, Jonqs Verlagsbuchhandlung, 1833.

HARKNESS, JAMES and FRANK MORLEY.

London a. N.Y., Macmillan and Co., 1893.

STEEN, ADOLPH.

Kjøbenhavn, Reitzel, 1879.

GORDAN, P.,

Leipzig, B.G. Teubner, 1893.

JACOBI, C.G.J.

(Berlin, G. Reimer, 1829).

OTTO, J.C.F.

Berlin, Jonqs Verlagsbuchhandlung, 1833.

HURWITZ, A.

Leipzig, B. G. Teubner, 1895.

RICHELOT, F. J.

Berlin, G. Reimer, 1852.

TURING, A. M.

Oxford, Clarendon Press, 1948.

PERRON, OSKAR.

Leipzig, B. G. Teubner, 1907.