Miranville, A., & Mureşan, A. (2000). The uncentered type incremental unknowns for a singularly perturbed bilocal problem. Rev. Anal. Numér. Théor. Approx., 29(2), 161–171. Retrieved from https://ictp.acad.ro/jnaat/journal/article/view/2000-vol29-no2-art6