TY - JOUR AU - J. Miquel Martínez TI - An infinite family of counterexamples to a conjecture on positivity JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2021 SP - 205 EP - 206 VL - 145 UR - http://www.numdam.org/articles/10.4171/rsmup/79/ DO - 10.4171/rsmup/79 LA - en ID - RSMUP_2021__145__205_0 ER -