@article{NUMA_1981__37_132724,
     author = {Z. Zlatev},
     title = {Zero-Stability {Properties} of the {Three-Ordinate} {Variable} {Step-size} {Variable} {Formula} {Methods.}},
     journal = {Numerische Mathematik},
     pages = {157--166},
     publisher = {mathdoc},
     volume = {37},
     year = {1981},
     zbl = {0475.65041},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1981__37_132724/}
}