Tkach L I

Publications in Math-Net.Ru

1. Perturbation of a single-valued operator by a multi-valued mapping of Hammerstein type with nonconvex images
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1999, no. 3,  3–16
2. Perturbation of a convex-valued operator by a set-valued map of Hammerstein type with non-convex values, and boundary-value problems for functional-differential inclusions
   
   Mat. Sb., 189:6 (1998),  3–32