@article{etna_vol52_pp1-25, author = {Christos Xenophontos and Irene Sykopetritou}, title = {Isogeometric analysis for singularly perturbed problems in 1-D: error estimates}, journal = {Electron. Trans. Numer. Anal.}, volume = {52}, year = {2020}, pages = {1--25}, doi = {10.1553/etna_vol52s1}, }