TY - JOUR AU - Hermann König TI - s-numbers, eigenvalues and the trace theorem in Banach spaces JO - Studia Mathematica PY - 1980 SP - 157 EP - 172 VL - 67 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-67-2-157-172/ DO - 10.4064/sm-67-2-157-172 LA - en ID - 10_4064_sm_67_2_157_172 ER -