Boruvka, O. (1971). Linear differential transformations of the second order. English Universities Press.
芝加哥风格引文Boruvka, O. Linear Differential Transformations of the Second Order. London: English Universities Press, 1971.
MLA引文Boruvka, O. Linear Differential Transformations of the Second Order. English Universities Press, 1971.
警告：这些引文格式不一定是100％准确.