@article{NUMA_1990__57_6-7_133433,
     author = {R.D. Grigorieff and M. Calvo and T. Grande},
     title = {On the {Zero} {Stability} of the {Variable} {Order} {Variable} {Stepsize} {BDF-Formulas.}},
     journal = {Numerische Mathematik},
     pages = {39--50},
     publisher = {mathdoc},
     volume = {57},
     number = {6-7},
     year = {1990},
     zbl = {0696.65077},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133433/}
}