(Berlin, Stockholm, Paris, 1901). 4to. Without wrappers as ectracted from "Acta Mathematica. Hrsg. von G. Mittag-Leffler", vol. 24, pp. 289-308.
First edition of this importent paper on Divergent Series. Horn's theorem included Poincare's results. "The results of Poincaré and Horn have been extended to various other types of differential equations and generalized by inclusion of the cases where roots of the characteristic equation are not necessarely distinct." (Morris Kline).
Order-nr.: 39162