Downstream boundary conditions for viscous flow problems;
Comput. Math. Appl. 3 1977, 53-63; with G.
Fix.
Boundary conditions for the numerical solution of elliptic equations in
exterior regions ;
SIAM J. Appl. Math. 42 1982, 430-451; with A.
Bayliss and E. Turkel.
(Alternative pdf link)
On the numerical boundary treatment of hyperbolic systems for finite difference
and finite element methods ;
SIAM J. Numer. Anal. 19 1982, 671-682; with D.
Gottlieb and E. Turkel.
(Alternative pdf link)
On finite element approximations of problems having inhomogeneous essential
boundary conditions;
Comput. Math. Appl. 9 1983, 687-700; with G.
Fix and J. Peterson.
Error estimates and implementation issues for artificial boundary condition
methods for exterior problems;
Advances in Computer Methods for Partial Differential
Equations {VI} IMACS, 1987, 338-345; with G. Guirguis.
Treating inhomogeneous essential boundary conditions in finite element methods
and the calculation of boundary stresses ;
SIAM J. Numer. Anal. 29 1992, 390-424; with L.
Hou.
(Alternative pdf link)