Copson, E. T. (1975). Partial differential equations (1a. ed.). Cambridge University Press.
Cita Chicago Style (17a ed.)Copson, Edward Thomas. Partial Differential Equations. 1a. ed. Cambridge: Cambridge University Press, 1975.
Cita MLA (9a ed.)Copson, Edward Thomas. Partial Differential Equations. 1a. ed. Cambridge University Press, 1975.
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