@article{MABA_2009_23_3-4_a4,
     author = {H. Thi and N. Thuan and N. Tuong and T. Dinh},
     title = {Solving the {Earliness} {Tardiness} {Scheduling} {Problem} by {DC} {Programming} and {DCA}},
     journal = {Mathematica balkanica},
     pages = {271},
     publisher = {mathdoc},
     volume = {23},
     number = {3-4},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/MABA_2009_23_3-4_a4/}
}