Agarwal, R. P. (1979). Boundary value problems for higher order differential equations. Matscience.
Chicago-stil citatAgarwal, Ravi P. Boundary Value Problems for Higher Order Differential Equations. Madras: Matscience, 1979.
MLA-referensAgarwal, Ravi P. Boundary Value Problems for Higher Order Differential Equations. Matscience, 1979.
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