Hackbusch, W. (1992). Elliptic differential equations: Theory numerical treatment. Springer.
Čikaški stil citiranja (17. izdanje)Hackbusch, Wolfgang. Elliptic Differential Equations: Theory Numerical Treatment. New York: Springer, 1992.
MLA način citiranja (9. izdanje)Hackbusch, Wolfgang. Elliptic Differential Equations: Theory Numerical Treatment. Springer, 1992.
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