@article{GDZPPN00117729X,
title = {Constructive Characterization of A-Stable Approximations to exp(z) and Its Connection with Algebraically Stable Runge-Kutta Methods.},
journal = {Numerische Mathematik},
volume = {39},
year = {1982},
pages = {247-258},
zbl = {0493.65035},
url = {http://dml.mathdoc.fr/item/GDZPPN00117729X}
}
Hairer, E. Constructive Characterization of A-Stable Approximations to exp(z) and Its Connection with Algebraically Stable Runge-Kutta Methods.. Numerische Mathematik, Tome 39 (1982) pp. 247-258. http://gdmltest.u-ga.fr/item/GDZPPN00117729X/