@article{NUMA_1987__55_4_133352,
     author = {H.W.J. Lenferink},
     title = {Contractivity {Preserving} {Explicit} {Linear} {Multistep} {Methods.}},
     journal = {Numerische Mathematik},
     pages = {213--224},
     publisher = {mathdoc},
     volume = {55},
     number = {4},
     year = {1987},
     zbl = {0649.65043},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133352/}
}