Grasman, J. (1971). On the birth of boundary layers. Mathematisch Centrum.
芝加哥风格引文Grasman, Johan. On the Birth of Boundary Layers. Amsterdam: Mathematisch Centrum, 1971.
MLA引文Grasman, Johan. On the Birth of Boundary Layers. Mathematisch Centrum, 1971.
警告：这些引文格式不一定是100％准确.