@article{oai:soka.repo.nii.ac.jp:00035630,
 author = {馬場, 善久 and BABA, Yoshihisa},
 issue = {1/2},
 journal = {創価経済論集},
 month = {Dec},
 pages = {35--45},
 title = {The Derivation of the Hessian Matrix of exp (A) with a Symmetric Real Matrix A},
 volume = {33},
 year = {2003},
 yomi = {ババ, ヨシヒサ}
}