%0 Journal Article %A L. A. Bokut' %T Unsolvability of the equality problem and subalgebras of finitely presented Lie algebras %J Izvestiya. Mathematics %D 1972 %P 1153-1199 %V 6 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1972_6_6_a0/ %G en %F IM2_1972_6_6_a0