Berlin, Julius Springer, 1928. 8vo. Bound in contemporary half cloth with gilt lettering, In "Zeitschrift für Physik", Band 46, 1928. Entire issue offered. Two stamps to title page, otherwise fine. Pp. 1-46. [Entire volume: VII, 902 pp].
First printing of the paper in which Weyl developed the concept of continous groups by using matrix representations in dealing with the mathematical formalism of quantum theory.
Order-nr.: 49116