23620 Sheldon Axler/Paul Bourdon/Wade Ramey: Harmonic function theory.
Springer 2001.

23657 Stefan Bergman/Menahem Schiffer: Kernel functions and elliptic differential
equations in mathematical physics. Dover 2005, 430p. Eur 21.

R. Bish: Temperatures in a thin metal plate traversed by an arc.
Q. appl.Math. 48 (1990), 491-497.

B. Booss-Bavnbek/K. Wojciechowski: Elliptic boundary problems for Dirac
operators. Birkha''user 1993, 260p. 3-7643-3681-1. SFR 98.

Mariano Giaquinta: Introduction to regularity theory for nonlinear elliptic
systems. Birkha''user 1993, 144p. 3-7643-2879-7. DM 50.

23639 David Gilbarg/Neil Trudinger: Elliptic partial differential equations
of second order. Springer 2001, 510p. Eur 44.

18025 Gerd Grubb: Known and unknown results on elliptic boundary problems.
Bull. AMS 43/2 (2006), 227-230.

Chun Wen Guo/H. Begehr: Boundary value problems for elliptic equations and
systems. Longman 1990, 420p. Pds. 45. Should be a good book on complex
function methods in boundary value problems.

W. Hackbusch: Theorie und Numerik elliptischer Differentialgleichungen.
Teubner 1986, 280p. DM 38. A good textbook.

8709 E. Heinz: Monge-Amperesche Gleichungen und elliptische Systeme.
Jber. DMV 98 (1996), 173-181.

4927 Jerry Kazdan: Partial differential equations in differential geometry.
1582 Hansen, 134-170.

S. Krantz: Partial differential equations and complex analysis.
CRC 1992, 300p. Pds. 51.

S. Levendorskii: Degenerate elliptic equations. Kluwer 1993, 430p. DFL 320.

20092 Michael Plum: Existence and multiplicity proofs for semilinear
elliptic boundary value problems by computer assistance.
Jber. DMV 110/1 (2008), 19-54.

I. Taimanov: Elliptic solutions of nonlinear equations.
Theor. Math. Phys. 84 (1990), 700-706.