Boyce, W. E. (1986). Elementary differential equations (4th.). Wiley & Sons.
Chicagoスタイル(17版)引用形式Boyce, William E. Elementary Differential Equations. 4th. USA: Wiley & Sons, 1986.
MLA(9版)引用形式Boyce, William E. Elementary Differential Equations. 4th. Wiley & Sons, 1986.
警告: この引用は必ずしも正確ではありません.