TY - JOUR AU - W. Jarczyk AU - M. Laczkovich TI - Convexity on Abelian Groups JO - Journal of convex analysis PY - 2009 SP - 33 EP - 48 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2009_16_1_JCA_2009_16_1_a1/ ID - JCA_2009_16_1_JCA_2009_16_1_a1 ER -