books.google.com - Over the last few decades, research in elastic-plastic torsion theory, electrostatic screening, and rubber-like nonlinear elastomers has pointed the way to some interesting new classes of minimum problems for energy functionals of the calculus of variations. This advanced-level monograph addresses these...http://books.google.com/books/about/Unbounded_Functionals_in_the_Calculus_of.html?id=nLoaHmV1aEAC&q=open+set&utm_source=gb-gplus-shareUnbounded Functionals in the Calculus of Variations

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## Unbounded Functionals in the Calculus of Variations: Representation ...By Luciano Carbone, Riccardo De Arcangelis |