%0 Journal Article %A A. O. Bagapsh %A K. Yu. Fedorovskiy %T On energy functionals for second order elliptic systems with constant coefficients %J Ufa mathematical journal %D 2022 %P 14-25 %V 14 %N 4 %U http://geodesic.mathdoc.fr/item/UFA_2022_14_4_a1/ %G en %F UFA_2022_14_4_a1