楊清桃

從高維Pythagoras定理談起 : = 單形論漫談 = Discussion from the multidimensional of Pythagoras theorem : the theory of simplex rambling / by: 楊清桃; 沈文選 (書目-語言資料,印刷品)

從Cramer法則談起 : = 矩陣論漫談 = Discussion from the Cramer's rule : the theory of matrices / by: 楊清桃; 沈文選 (書目-語言資料,印刷品)