Martin, W. T., & Reissner, E. (1964). Elementary differential equations (2nd ed., 2nd print.). Addison-Wesley.
Cita Chicago Style (17a ed.)Martin, William Ted, y Eric Reissner. Elementary Differential Equations. 2nd ed., 2nd print. Reading, Massachusetts: Addison-Wesley, 1964.
Cita MLA (9a ed.)Martin, William Ted, y Eric Reissner. Elementary Differential Equations. 2nd ed., 2nd print. Addison-Wesley, 1964.
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