@article{GDZPPN001166506, title = {Direct Solution of Partial Difference Equations.}, journal = {Numerische Mathematik}, volume = {9}, year = {1966}, pages = {431-436}, zbl = {0154.41102}, url = {http://dml.mathdoc.fr/item/GDZPPN001166506} }
MERZRATH, E. Direct Solution of Partial Difference Equations.. Numerische Mathematik, Tome 9 (1966) pp. 431-436. http://gdmltest.u-ga.fr/item/GDZPPN001166506/