Young, E. C. (1972). Partial differential equations: An introduction. Allyn and Bacon.
Cita Chicago Style (17a ed.)Young, Eutiquio C. Partial Differential Equations: An Introduction. Boston: Allyn and Bacon, 1972.
Cita MLA (8a ed.)Young, Eutiquio C. Partial Differential Equations: An Introduction. Allyn and Bacon, 1972.
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