TY - JOUR AU - László Szabados TI - Quasi-local energy-momentum and the Sen geometry of two-surfaces JO - Banach Center Publications PY - 1997 SP - 205 EP - 219 VL - 41 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/-41-1-205-219/ DO - 10.4064/-41-1-205-219 LA - en ID - 10_4064__41_1_205_219 ER -