@article{1077468196,
author = {Austin, D. G.},
title = {Note on differentiating Markoff transition functions with
stable terminal states},
journal = {Duke Math. J.},
volume = {25},
number = {1},
year = {1958},
pages = { 625-629},
language = {en},
url = {http://dml.mathdoc.fr/item/1077468196}
}
Austin, D. G. Note on differentiating Markoff transition functions with
stable terminal states. Duke Math. J., Tome 25 (1958) no. 1, pp. 625-629. http://gdmltest.u-ga.fr/item/1077468196/