%0 Journal Article %A Battaia, Luciano %T A variational principle, in general relativity, for the equilibrium of an elastic body also capable of couple stresses %J Rendiconti del Seminario Matematico della Università di Padova %D 1975 %P 91-105 %V 54 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1975__54__91_0/ %G en %F RSMUP_1975__54__91_0