@article{10_4064_ap77_1_2,
     author = {Martin Bohner and B{\i}ll\^ur Kaymak\c{c}alan},
     title = {Opial inequalities on time scales},
     journal = {Annales Polonici Mathematici},
     pages = {11--20},
     publisher = {mathdoc},
     volume = {77},
     number = {1},
     year = {2001},
     doi = {10.4064/ap77-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap77-1-2/}
}