%0 Journal Article
%A F.N. FRITSCH
%T On the Number of Nodes in Self-Contained Integration Formulas of Degree Two for Compact Planar Regions.
%J Numerische Mathematik
%D 1970
%P 224-230
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1970__16_132029/
%F NUMA_1970__16_132029