KOBB, GUSTAV

Sur les maxima et les minima des intégrales doubles.

Berlin, Stockholm, Paris, Almqvist & Wiksell, 1892-3. 4to. As extracted from "Acta Mathematica", Vol, 16, 1892-3. No backstrip. A fine and clean copy. Pp. 65-140.

First printing of Kobb's paper in which he obtained the edge conditions for the double integral in parametric form.

Order-nr.: 49647