@article{GDZPPN001171534, title = {Higher Order Compatible Triangular Finite Elements.}, journal = {Numerische Mathematik}, volume = {22}, year = {1974}, pages = {89-98}, zbl = {0265.65011}, url = {http://dml.mathdoc.fr/item/GDZPPN001171534} }
Mansfield, L. Higher Order Compatible Triangular Finite Elements.. Numerische Mathematik, Tome 22 (1974) pp. 89-98. http://gdmltest.u-ga.fr/item/GDZPPN001171534/