@article{CC_2009_38_4A_a9,
     author = {Buttazzo, Giuseppe and Mainini, Edoardo and Stepanov, Eugene},
     title = {Stationary configurations for the average distance functional and related problems},
     journal = {Control and Cybernetics},
     pages = {1107--1130},
     year = {2009},
     volume = {38},
     number = {4A},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2009_38_4A_a9/}
}