Algebraic Analysis of Differential Equations : from Microlocal Analysis to Exponential
Asymptotics / Takashi Aoki, Hideyuki Majima, Yoshitsugu Takei, Nobuyuki Tose, editors,
2008
Algebraic analysis of singular perturbation theory / Takahiro Kawai, Yoshitsugu Takei
; translated by Goro Kato, 2005
LC Authorities - http://authorities.loc.gov (2007-03-15)