TY - JOUR AU - Jan Boman TI - Smoothness of sums of convex sets with real analytic boundaries. JO - Mathematica Scandinavica PY - 1990 SP - 225 EP - 230 VL - 66 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1990__66_1_167107/ ID - MS2_1990__66_1_167107 ER -