TY - JOUR AU - Herbert Busemann TI - Convex Bodies and Convexity on Grassmann Cones XI. Sublinear Functions. JO - Mathematica Scandinavica PY - 1969 SP - 93 EP - 101 VL - 24 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1969__24_166082/ ID - MS2_1969__24_166082 ER -