@article{weko_141546_1,
   author	 = "Kohei,Matsushita and Hiroyasu,Hamada",
   title	 = "A Fast Computation of 3 × 3 Matrix Exponentials and its Application in CG",
   journal	 = "Journal of information processing",
   year 	 = "2015",
   volume	 = "23",
   number	 = "2",
   pages	 = "171--175",
   month	 = "mar"
}