@article{M2AN_2015__49_4_977_0, author = {Carstensen, Carsten and Gallistl, Dietmar and Nataraj, Neela}, title = {Comparison {Results} of {Nonstandard} $P_{2}$ {Finite} {Element} {Methods} for the {Biharmonic} {Problem}}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis }, pages = {977--990}, publisher = {EDP-Sciences}, volume = {49}, number = {4}, year = {2015}, doi = {10.1051/m2an/2014062}, mrnumber = {3371900}, zbl = {1327.65211}, language = {en}, url = {http://archive.numdam.org/articles/10.1051/m2an/2014062/} }