@article{NUMA_1971__18_132089,
     author = {G.R. Joubert},
     title = {Explicit {Difference} {Approximations} of {Du} {Fort-Frankel} {Type} of the {One-Dimensional} {Diffusion} {Equation.}},
     journal = {Numerische Mathematik},
     pages = {18--25},
     publisher = {mathdoc},
     volume = {18},
     year = {1971},
     zbl = {0217.52903},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1971__18_132089/}
}