@article{GDZPPN001170643, title = {A Finite Eement Scheme for Domains with Corners.}, journal = {Numerische Mathematik}, volume = {19}, year = {1972}, pages = {1-21}, zbl = {0252.65084}, url = {http://dml.mathdoc.fr/item/GDZPPN001170643} }
Babuska, Ivo. A Finite Eement Scheme for Domains with Corners.. Numerische Mathematik, Tome 19 (1972) pp. 1-21. http://gdmltest.u-ga.fr/item/GDZPPN001170643/