@article{EUG_1988__20_a11,
     author = {Nikos G. Tsarouchis},
     title = {Nonlinear mixed zero-one {Programming:} {Practical} and {Theoretical} {Aspects}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {121-140},
     publisher = {mathdoc},
     volume = {20},
     year = {1988},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1988__20_a11/}
}