%0 Journal Article %A Yu. G. Rykov %T On the variational approach to systems of quasilinear conservation laws %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2018 %P 225-240 %V 301 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2018_301_a16/ %G ru %F TM_2018_301_a16