[Berlin, Stockholm, Paris, Beijer, 1897]. 4to. Without wrappers as extracted from "Acta Mathematica. Hrdg. von G. Mittag-Leffler.", Bd. 20, pp. 59-142.
First printing of Poincaré's paper in which he succeeded in converting differential equations into integral equations. "It became a major technique for solving initial-and boundary-value problems of ordinary and partial differential equations and was the strongest impetus for the study of integral equations." (Morris Kline).
Order-nr.: 45850