@article{CAD_08_manifold_spline_single_point,
 author  = {X. Gu and Y. He and M. Jin and F. Luo and H. Qin},
 title   = {Manifold Splines with Single Extraordinary Point},
 journal = {Computer-Aided Design },
 volume  = {40},
 number  = {6},
 year    = {2008},
 pages   = {676--690},
 }