@article{SIGMA_2019_15_a36,
     author = {Allan P. Fordy and Qing Huang},
     title = {Generalised {Darboux{\textendash}Koenigs} {Metrics} and {3-Dimensional} {Superintegrable} {Systems}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2019},
     volume = {15},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a36/}
}