TY - JOUR AU - J. Winkelmann TI - A Splitting Criterion for Two-Dimensional Semi-Tori JO - Journal of Lie theory PY - 2004 SP - 555 EP - 561 VL - 14 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_2004_14_2_JLT_2004_14_2_a12/ ID - JLT_2004_14_2_JLT_2004_14_2_a12 ER -