@article{CRMATH_2025__363_G7_629_0,
     author = {Mark M. Malamud and Vladimir V. Marchenko},
     title = {On zero eigenvalue of invariant {Schr\"odinger} operators with point interactions at vertices of some regular polyhedra},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {629--639},
     year = {2025},
     publisher = {Acad\'emie des sciences, Paris},
     volume = {363},
     doi = {10.5802/crmath.719},
     language = {en},
}