\input zb-basic
\input zb-ioport
\iteman{io-port 50082891}
\itemau{Gopalakrishnan, J.; Guzm\'an, J.}
\itemti{Symmetric nonconforming mixed finite elements for linear elasticity}
\itemso{SIAM J. Numerical Analysis 49, No. 4, 1504-1520 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1137/10080018X}
\end