%0 Journal Article %A G. Baumann %T Symmetry analysis of differential equations using MATHLIE %J Zapiski Nauchnykh Seminarov POMI %D 1999 %P 208-230 %V 258 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1999_258_a10/ %G en %F ZNSL_1999_258_a10