@article{CMUC_2013__54_4_a4,
     author = {Goodrich, Christopher S.},
     title = {Existence of a positive solution to a nonlocal semipositone boundary value problem on a time scale},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {509--525},
     publisher = {mathdoc},
     volume = {54},
     number = {4},
     year = {2013},
     mrnumber = {3125073},
     zbl = {06373981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2013__54_4_a4/}
}