@article{TM_2010_270_a3,
     author = {Ugo Boscain and Gr\'egoire Charlot and Francesco Rossi},
     title = {Existence of planar curves minimizing length and curvature},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {49--61},
     year = {2010},
     volume = {270},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_2010_270_a3/}
}