@article{10_4153_CJM_2005_005_7,
     author = {Fegan, H. D. and Steer, B.},
     title = {Second {Order} {Operators} on a {Compact} {Lie} {Group}},
     journal = {Canadian journal of mathematics},
     pages = {99--113},
     year = {2005},
     volume = {57},
     number = {1},
     doi = {10.4153/CJM-2005-005-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-005-7/}
}