@article{JGG_2010_14_2_JGG_2010_14_2_a4,
     author = {S. Stamatakis and H. Al-Zoubi },
     title = {Surfaces of {Revolution} {Satisfying} {\ensuremath{\Delta}\protect\textsuperscript{III}x} = {Ax}},
     journal = {Journal for geometry and graphics},
     pages = {181--186},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2010},
     url = {http://geodesic.mathdoc.fr/item/JGG_2010_14_2_JGG_2010_14_2_a4/}
}