@article{ASENS_2009_4_42_5_837_0,
     author = {Sz\'ekelyhidi, G\'abor},
     title = {The {Calabi} functional on a ruled surface},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {837--856},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {Ser. 4, 42},
     number = {5},
     year = {2009},
     doi = {10.24033/asens.2110},
     zbl = {1187.58020},
     mrnumber = {2571959},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.2110/}
}