@article{VMUMM_2025_2_a0,
     author = {A. A. Kuznetsova},
     title = {A billiard realization of {non-Bott} singularities of integrable {Hamiltonian} systems with no more than one singular fiber of {Seifert} bundle},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--10},
     publisher = {mathdoc},
     number = {2},
     year = {2025},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2025_2_a0/}
}