@article{GDZPPN001172360, title = {Weak-element Approximations to Elliptic Differential Equations.}, journal = {Numerische Mathematik}, volume = {25}, year = {1975}, pages = {185-204}, zbl = {0294.35028}, url = {http://dml.mathdoc.fr/item/GDZPPN001172360} }
Rose, M.E. Weak-element Approximations to Elliptic Differential Equations.. Numerische Mathematik, Tome 25 (1975) pp. 185-204. http://gdmltest.u-ga.fr/item/GDZPPN001172360/