%0 Journal Article %A G. Czichowski %T A Lie Theory of Differential Equations and Computer Algebra %J Journal of Lie Theory %D 1991 %P 83-92 %V 1 %N 1 %U https://jolt.centre-mersenne.org/articles/10.5802/jolt.9/ %R 10.5802/jolt.9 %F JOLT_1991_1_1_a8