%0 Journal Article %A R.S. ANDERSSEN %T The Numerical Solution of Parabolic Differential Equations Using Variational Methods. %J Numerische Mathematik %D 1969 %P 129-145 %V 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1969__13_131904/ %F NUMA_1969__13_131904