An Algorithm to Compute the Exponential Part of a Formal Fundamental Matrix Solution of a Linear Differential System.

Moulay A. Barkatou An Algorithm to Compute the Exponential Part of a Formal Fundamental Matrix Solution of a Linear Differential System. 1-23 1996 8 Appl. Algebra Eng. Commun. Comput. 1 http://link.springer.de/link/service/journals/00200/bibs/6008001/60080001.htm db/journals/aaecc/aaecc8.html#Barkatou96