On Regular and Logarithmic Solutions of Ordinary Linear Differential Systems.

Sergei A. Abramov Manuel Bronstein D. E. Khmelnov On Regular and Logarithmic Solutions of Ordinary Linear Differential Systems. 1-12 2005 conf/casc/2005 CASC http://dx.doi.org/10.1007/11555964_1 db/conf/casc/casc2005.html#AbramovBK05