TY - JOUR AU - Lejia Gu AU - Liqun Qi TI - Basic positive semi-definite Hankel tensors JO - Minimax theory and its applications PY - 2020 VL - 5 IS - 1 UR - http://geodesic.mathdoc.fr/item/MTA_2020_5_1_a3/ ID - MTA_2020_5_1_a3 ER -