%0 Journal Article %A V. N. Pavlenko %A D. K. Potapov %T Variational method for elliptic systems with discontinuous nonlinearities %J Sbornik. Mathematics %D 2021 %P 726-744 %V 212 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2021_212_5_a5/ %G en %F SM_2021_212_5_a5