TY - JOUR AU - Chiara Guidi AU - Vittorio Martino TI - Horizontal curvatures and classification results JO - Annales Fennici Mathematici PY - 2020 SP - 829–840 EP - 829–840 VL - 45 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2020.4541/ DO - 10.5186/aasfm.2020.4541 LA - en ID - AFM_2020_45_2_a13 ER -