TY - JOUR AU - Coppens, Marc AU - Martens, Gerriet TI - Secant spaces and Clifford's theorem JO - Compositio Mathematica PY - 1991 SP - 193 EP - 212 VL - 78 IS - 2 PB - Kluwer Academic Publishers UR - http://www.numdam.org/item/CM_1991__78_2_193_0/ LA - en ID - CM_1991__78_2_193_0 ER -