TY - JOUR AU - V. A. Voevodskii AU - M. M. Kapranov TI - Free $n$-category generated by a cube, oriented matroids, and higher Bruhat orders JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1991 SP - 62 EP - 65 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1991_25_1_a7/ LA - ru ID - FAA_1991_25_1_a7 ER -