@article{GMJ_1999__6_6_48448,
     author = {Koplatadze, R. and Kvinikadze, G. and Stavroulakis, I.P.},
     title = {Properties  and  of th-order linear differential equations with deviating argument.},
     journal = {Georgian Mathematical Journal},
     pages = {553--566},
     publisher = {mathdoc},
     volume = {6},
     number = {6},
     year = {1999},
     zbl = {0939.34062},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1999__6_6_48448/}
}