%0 Journal Article
%A J. Pitkäranta
%T Boundary Subspaces for the Finite Element Method With Lagrange Multipliers.
%J Numerische Mathematik
%D 1979
%P 273-290
%V 33
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1979__33_132641/
%F NUMA_1979__33_132641