@article{IM2_2025_89_1_a1,
     author = {A. P. Isaev and S. O. Krivonos},
     title = {The split $5${-Casimir} operator and the structure of
},
     journal = {Izvestiya. Mathematics },
     pages = {15--25},
     publisher = {mathdoc},
     volume = {89},
     number = {1},
     year = {2025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2025_89_1_a1/}
}