TY - JOUR AU - Tijana Šukilović AU - Srdjan Vukmirović TI - Riemannian and sub-Riemannian structures on a cotangent bundle of Heisenberg group JO - Filomat PY - 2023 SP - 8481 VL - 37 IS - 25 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2325481S/ DO - 10.2298/FIL2325481S LA - en ID - 10_2298_FIL2325481S ER -