@Article{ Rodriguez-Chia_Nickel-_Puerto-Albandoz_FERNANDEZ:69-89,

author = { Antonio Manuel Rodriguez-Chia and Stefan Nickel- and Justo Puerto-Albandoz and FRANCISCO FERNANDEZ GARCIA } ,

title = { A FLEXIBLE APPROACH TO LOCATION PROBLEMS },

journal = { ESAIM: Mathematical Modelling and Numerical Analysis },

year = { 2000 },

volume = { 51 },

pages = { 69-89 },

}