@article{ASENS_2015__48_5_1075_0, author = {Apostolov, Vestislav and Calderbank, David M. J. and Gauduchon, Paul}, title = {Ambitoric geometry {II:} {Extremal} toric surfaces and {Einstein} 4-orbifolds}, journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure}, pages = {1075--1112}, publisher = {Soci\'et\'e Math\'ematique de France. Tous droits r\'eserv\'es}, volume = {Ser. 4, 48}, number = {5}, year = {2015}, doi = {10.24033/asens.2266}, mrnumber = {3429476}, zbl = {1346.32007}, language = {en}, url = {http://www.numdam.org/articles/10.24033/asens.2266/} }