Mathematics

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.

VOLKOVYSKII, L.I.;LUNTS, G.L.;ARAMANOVICH, I.G.

New York, Dover Publ., 1991.

LAWRENCE, J DENNIS.

New York, Dover Publ., 1972.