Johnson, C. (1987). Numerical solution of partial differential equations by the finite element method. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Johnson, Claes. Numerical Solution of Partial Differential Equations by the Finite Element Method. Cambridge: Cambridge University Press, 1987.
Lua MLA (9ú heag.)Johnson, Claes. Numerical Solution of Partial Differential Equations by the Finite Element Method. Cambridge University Press, 1987.
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