TY - JOUR AU - Potapov, Dmitriy K. AU - Yevstafyeva, Victoria V. TI - Lavrent'ev problem for separated flows with an external perturbation JO - Electronic Journal of Differential Equations PY - 2013 VL - 2013 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a32/ LA - en ID - EJDE_2013__2013__a32 ER -