ParasyukI. O. and SamoilenkoA. M. (1995) “On the integral of a function along the trajectories of a nilpotent flow”, Ukrains’kyi Matematychnyi Zhurnal, 47(6), pp. 837–847. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5476 (Accessed: 27July2024).