@article{IM2_1982_19_3_a1,
     author = {Yu. D. Latushkin},
     title = {On~integro-functional operators with a~shift which is not one-to-one},
     journal = {Izvestiya. Mathematics },
     pages = {479--493},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {1982},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1982_19_3_a1/}
}