Mathematics

LORENSEN, PAUL.

Berlin, Springer, 1955.

BELL, E.T.

N.Y., McGraw-Hill, 1940.

STEEN, ADOLPH.

Kjøbenhavn, Reitzel, 1879.

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.

RUTHERFORD, D.E.

Edinborgh a. London, Oliver & Boyd, (1965).

POINCARÉ, HENRI.

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

DENBOW, CARL H. AND VICTOR GOEDICKE.

N.Y., Harper & Row, (1959).

KOWALEWSKI, GERHARD.

Leipzig, 1933 (Lithoprinted by Edwards Brothers, 1944).

BERNOULLI, JOHANN.

Leipzig, Grosse & Gleditsch, 1715.

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.