TY - BOOK AU - Hackbusch, Wolfgang AU - Fadiman, Regine ; tr. AU - Ion, Patrick D. F. ; jt. tr. TI - Elliptic differential equations; theory and numerical treatment T2 - Springer series in Computational Mathematics, v.18 U1 - 517 PY - 1992/// CY - Berlin PB - Springer-Verlag N1 - "Translated from the German by Regine Fadiman and Patrick D. F. Ion" ER -