Published online by Cambridge University Press: 24 October 2008
The problem of the double integral in the calculus of variations, when expressed in the parametric notation, was first fully discussed by Kobb. In this paper Kobb finds conditions for the minimising of the double integral
taken over the surface
* Kobb, , Acta Mathematica, 16 (1892), 65–116.CrossRefGoogle Scholar
† Radon, , Monatshefte für Math. und Physik, 22 (1911), 53–63.CrossRefGoogle Scholar
* See Kneser, , Lehrbuch der Variationsrechnung, 2nd edition (1925), 322.Google Scholar
† See Bolza, , Vorlesungen über Variationsrechnung (1909), 196.Google Scholar
* Bolza, , Vorlesungen über Variationsrechnung (1909), 666.Google Scholar
* See Kneser, loc. cit., 322.
* Bolza, loc. cit., 669.