@article{Wan13SciChina,
   author = {Wan, S. and Ye, T. and Li, M. and Zhang, H. and Li, X.},
   title = {An Efficient Spherical Mapping Algorithm and its Application on Spherical Harmonics},
   journal = {SCIENCE CHINA : Information Sciences},
   volume = {56},
   issue = {9},
   pages ={1-10},
   year = {2013}
}