Special meshes and higher-order schemes for singularly perturbed boundary value problems. Vulanović, Relja — 2001 Novi Sad Journal of Mathematics
Uniform methods for semilinear problems with an attractive boundary turning point. Linß, Torsten; Vulanović, Relja — 2001 Novi Sad Journal of Mathematics
On numerical solution of a mildly nonlinear turning point problem Relja Vulanović — 1990 ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique