TY  - CHAP 
AU  - Murua Uria, Ander
AU  - Sanz Serna, Jesús María
PY  - 2015
SN  - 978-7-04-043453-8
UR  - http://uvadoc.uva.es/handle/10324/28913
AB  - This paper provides a brief history of B-series and the associated Butcher
group and presents the new theory of word series and extended word series. B-series
(Hairer and Wanner 1976) are formal series of functions parameterized by rooted...
LA  - eng
PB  - Higher Education Press
TI  - Formal series and numerical integrators: some history and some new techniques
ER  -