Karasuljić, Samir, and Hidajeta Ljevaković. “ON CONSTRUCTION OF A GLOBAL NUMERICAL SOLUTION FOR A SEMILINEAR SINGULARLY-PERTURBED REACTION DIFFUSION BOUNDARY VALUE PROBLEM”. Matematichki Bilten, vol. 44, no. 2, Dec. 2020, pp. 131-48, https://doi.org/10.37560/matbil2020131k.