@article{10_1007_s10587_015_0199_9,
     author = {Abbas, Umber and Lupulescu, Vasile and O'Regan, Donald and Younus, Awais},
     title = {Neutral set differential equations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {593--615},
     publisher = {mathdoc},
     volume = {65},
     number = {3},
     year = {2015},
     doi = {10.1007/s10587-015-0199-9},
     mrnumber = {3407596},
     zbl = {06537683},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-015-0199-9/}
}