TY - JOUR AU - Karl Friedrich Siburg TI - Symplectic capacities in two dimensions. JO - Manuscripta mathematica PY - 1993 SP - 149 EP - 164 VL - 78 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1993__78_4_155801/ ID - MM2_1993__78_4_155801 ER -