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<B>DESIR</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>package</B><P>
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Authors: C. Dicrescenzo, F. Richard-Jung, E. Tournier 
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This package enables the basis of formal solutions to be computed for an 
ordinary homogeneous differential equation with polynomial coefficients 
over Q of any order, in the neighborhood of zero (regular or irregular 
singular point, or ordinary point). 
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