Eastham, M. (1973). Spectral theory of periodic differential equations. Scottish academic press.
Chicago Edition CitationEastham, MSP. Spectral Theory of Periodic Differential Equations. Scottish academic press, 1973.
MLA引文Eastham, MSP. Spectral Theory of Periodic Differential Equations. Scottish academic press, 1973.
警告:这些引文格式不一定是100%准确.