@article{NUMA_1988__53_1-2_133296,
     author = {J.W. Schmidt and W. Burmeister},
     title = {On the {R-Order} of {Coupled} {Sequences} {Arising} in {Single-Step} {Type} {Methods.}},
     journal = {Numerische Mathematik},
     pages = {653--662},
     publisher = {mathdoc},
     volume = {53},
     number = {1-2},
     year = {1988},
     zbl = {0655.65074},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1988__53_1-2_133296/}
}