Berlin, Georg Reimer, 1869. 4to. No wrappers. Extracted from""Journal für die reine und angewandte Mathematik. Hrsg. von A.L. Crelle"", Bd. 71, 1869, Fine and clean. Pp. 197-200. [Offered pages: Pp. 97-200.].
First printing of this posthumously published paper by Riemann.