TY - JOUR AU - Stanisław Ewert-Krzemieniewski TI - On a class of submanifolds in a tangent bundle with a $g$-natural metric JO - Colloquium Mathematicum PY - 2017 SP - 121 EP - 133 VL - 150 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm7128s-2-2017/ DO - 10.4064/cm7128s-2-2017 LA - en ID - 10_4064_cm7128s_2_2017 ER -