%0 Journal Article %A Potapov, Dmitriy K. %A Yevstafyeva, Victoria V. %T Lavrent'ev problem for separated flows with an external perturbation %J Electronic Journal of Differential Equations %D 2013 %V 2013 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a132/ %G en %F EJDE_2013__2013__a132