@article{BUMI_2002_8_5B_2_a6,
     author = {Gonz\'alez-D\'avila, J. C. and Vanhecke, L.},
     title = {Invariant harmonic unit vector fields on {Lie} groups},
     journal = {Bollettino della Unione matematica italiana},
     pages = {377--403},
     publisher = {mathdoc},
     volume = {Ser. 8, 5B},
     number = {2},
     year = {2002},
     zbl = {1097.53033},
     mrnumber = {1198875},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2002_8_5B_2_a6/}
}