000 00413nam a2200121Ia 4500
008 160712s9999 xx 000 0 und d
100 _aDe la Cruz, Ralph John.
245 _cRalph John de la Cruz
_aTrace Invariance for Quaternion Matrices
260 _c2015
_bScience Diliman
300 _avol. 27 no. 2
650 _xSCIENCE
856 _uhttp://journals.upd.edu.ph/index.php/sciencediliman/issue/view/511/showToc
999 _c297105
_d297105