Open Access
Fall 1990 Some remarks on the Lusternik-Schnirelman method for non-differentiable functionals invariant with respect to a finite group action
W. Krawcewicz, W. Marzantowicz
Rocky Mountain J. Math. 20(4): 1041-1049 (Fall 1990). DOI: 10.1216/rmjm/1181073061
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Vol.20 • No. 4 • Fall 1990
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