TY - JOUR AU - Luis Pedro Montejano AU - Jorge Luis Ramírez-Alfonsín TI - Roudneff's conjecture for Lawrence oriented matroids JO - The electronic journal of combinatorics PY - 2015 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/4811/ DO - 10.37236/4811 ID - 10_37236_4811 ER -