@article{EJDE_2015__2015__a49,
     author = {Wu, Hongwu and Jia, Baoguo and Erbe, Lynn},
     title = {Theorems of {Kiguradze-type} and {Belohorec-type} revisited on time scales},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2015},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2015__2015__a49/}
}