Schwarzenberger, R. L. E. (1969). Elementary differential equations. Chapman and hall.
Chicago Edition CitationSchwarzenberger, R L E. Elementary Differential Equations. London: Chapman and hall, 1969.
MLA引文Schwarzenberger, R L E. Elementary Differential Equations. Chapman and hall, 1969.
警告:這些引文格式不一定是100%准確.