SHAFQAT HUSSAIN, FRIEDHELM SCHIEWECK, STEFAN TUREK, AND PETER ZAJAC. (2013). On a Galerkin Discretization of 4th order in Space and Time Applied to the Heat Equation.
            <i>International Journal of Numerical Analysis Modeling Series B</i>. <i>4</i> (4).
            353-371.
         doi: