TY - JOUR AU - Mark Spivakovsky TI - A counterexample to the theorem of Beppo Levi in three dimensions. JO - Inventiones mathematicae PY - 1989 SP - 181 EP - 184 VL - 96 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1989__96_1_143676/ ID - IM_1989__96_1_143676 ER -