TY - JOUR AU - M. S. Chebarikov TI - On the Ricci curvature of three-dimensional metric Lie algebras JO - Vladikavkazskij matematičeskij žurnal PY - 2014 SP - 57 EP - 67 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMJ_2014_16_1_a6/ LA - ru ID - VMJ_2014_16_1_a6 ER -