@article{IM2_2013_77_1_a1,
     author = {V. B. Didenko},
     title = {On the continuous invertibility and the {Fredholm} property of differential operators with multi-valued impulse effects},
     journal = {Izvestiya. Mathematics },
     pages = {3--19},
     publisher = {mathdoc},
     volume = {77},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2013_77_1_a1/}
}