@article{SM_1998_189_6_a0,
     author = {A. I. Bulgakov and L. I. Tkach},
     title = {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},
     journal = {Sbornik. Mathematics},
     pages = {821--848},
     publisher = {mathdoc},
     volume = {189},
     number = {6},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1998_189_6_a0/}
}