@article{EUG_1987_15_a21,
     author = {Kyriakos J. Spyropoulos},
     title = {Linear {Programming} and {Discrete} {Polynomial} {Type} {Approximation} in the {L_1} {Norm}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {123--134},
     year = {1987},
     volume = {15},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1987_15_a21/}
}