TY - JOUR AU - Borwein, David TI - Matrix Operators on lp to lq JO - Canadian mathematical bulletin PY - 1994 SP - 448 EP - 456 VL - 37 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-065-7/ DO - 10.4153/CMB-1994-065-7 ID - 10_4153_CMB_1994_065_7 ER -