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@article{NUMA_1991__60_4_133601, author = {J.C. Butcher and R.P.K. Chan}, title = {On symmetrizers for {Gauss} methods.}, journal = {Numerische Mathematik}, pages = {465--476}, publisher = {mathdoc}, volume = {60}, number = {4}, year = {1991}, zbl = {0723.65045}, url = {http://geodesic.mathdoc.fr/item/NUMA_1991__60_4_133601/} }
J.C. Butcher; R.P.K. Chan. On symmetrizers for Gauss methods.. Numerische Mathematik, Tome 60 (1991) no. 4, pp. 465-476. http://geodesic.mathdoc.fr/item/NUMA_1991__60_4_133601/