2 résultats
1892S9702Crefeld:: J. B. Klein'sche 1892. 1892. Series: Jahresbericht der Realschule zu Crefeld Schuljahr 1891-1892. Sm. 4to. 42 pp. 11 figs. on two folding plates. Disbound. Rare. Junker had a doctorate in invariant theory written with/under Elwin Christoffel. He was head master of a high school gymnasium. Junker read the early writings of the mathematician Kurt Mahler 1903-1988. Mahler's 1927 Frankfurt doctoral dissertation is dedicated to Dr Josef Junker. J. B. Klein'sche, 1892. unknown books
1887S9703Koln:: Dumont-Schauberg 1887. 1887. Sm. 4to. 32 pp. Disbound. Rare. Thesis in application for a doctorate at the University of Freibrug. Dumont-Schauberg, 1887. unknown books