@article{SIGMA_2006_2_a70,
     author = {Hans Volkmer},
     title = {Generalized {Ellipsoidal} and {Sphero-Conal} {Harmonics}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2006},
     volume = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a70/}
}