Mathematics

HAMEL, GEORG.

Beræin, Göttingen, 1949.

KOWALEWSKI, GERHARD.

Leipzig, Berlin, Teubner, 1923.

HARDY, G.H.

Cambridge, University Press, 1910.

HELLWIG, GÜNTER.

Stuttgart, 1960.

COURANT, R.

Berlin, J. Springer, 1930-29.

SCHOENFLIES, A.

Berlin, J. Springer, 1925.

COMPUTERS - LEE, JOHN A.N.

N.Y., Reinhold, (1966).

RAY, WILLIAM O.

New Jersey, (1988).

TIETZE, HEINRICH.

München, Biederstein Verlag, 1949.

VIVANTI, G.

leipzig, Teubner, 1906.

MIKUSINSKI, JAN.

London, N.Y., (1959).

BETH, EVERT W.

Dordrecht, (1962).

FORSYTHE, GEORGE E. AND WOLFGANG R. WASOW.

N.Y., London, (1960).

ROBINSON, ABRAHAM.

Amsterdam, North-Holland, 1951.

KLAUA, DIETER.

Berlin, 1964.

BIERBACH, L.

Berlin, Springer, 1930.

MONTEL, PAUL.

Paris, Gauthier-Villars, 1933.

WALFISZ, ARNOLD.

Warszawa, 1957.