[Berlin, Stockholm, Paris, Beijer, 1885]. 4to. Without wrappers as extracted from "Acta Mathematica. Hrdg. von G. Mittag-Leffler.", Bd. 7, pp. 125-172.
First printing of Gyldén's papers planetary orbits.
Hugo Gyldén was the most impotant swedish astronomer during the 19th century and he initiated celestial mechanics in Sweden.
Order-nr.: 45847