A fictitious domain approach to the numerical solution of elliptic boundary value problems defined in stochastic domains Canuto, Claudio; Kozubek, Tomáš — 2006 Programs and Algorithms of Numerical Mathematics
On solving non-symmetric saddle-point systems arising from fictitious domain approaches Kučera, Radek; Kozubek, Tomáš; Haslinger, Jaroslav — 2006 Programs and Algorithms of Numerical Mathematics