@article{JLT_2024_34_1_JLT_2024_34_1_a4,
     author = {X. Zhao and Y. Li},
     title = {\ensuremath{\sigma}-Symmetries and {First} {Integral} of {Differential} {Equations}},
     journal = {Journal of Lie theory},
     pages = {93--112},
     year = {2024},
     volume = {34},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JLT_2024_34_1_JLT_2024_34_1_a4/}
}