Hackbusch, W. (1992). Elliptic Differential Equations: Theory and numerical treatment. Springer-Verlag.
Chicago-čujuhus (17. p.)Hackbusch, Wolfgang. Elliptic Differential Equations: Theory and Numerical Treatment. Berlin: Springer-Verlag, 1992.
MLA-čujuhus (9. p.)Hackbusch, Wolfgang. Elliptic Differential Equations: Theory and Numerical Treatment. Springer-Verlag, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.