@article{EJDE_2015__2015__a73,
     author = {Yang, Aijun and Henderson, Johnny and Nelms, Charles jun.},
     title = {Extremal points for a higher-order fractional boundary-value problem},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2015},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2015__2015__a73/}
}