- Tigran Hakobyan, Armen Nersessian, “Integrability of Calogero–Coulomb problems”, Phys. Part. Nuclei Lett., 14, no. 2, 2017, 331
- Francisco Correa, Tigran Hakobyan, Olaf Lechtenfeld, Armen Nersessian, “Spherical Calogero model with oscillator/Coulomb potential: Classical case”, Phys. Rev. D, 93, no. 12, 2016, 125008
- Francisco Correa, Olaf Lechtenfeld, Mikhail Plyushchay, “Nonlinear supersymmetry in the quantum Calogero model”, J. High Energ. Phys., 2014, no. 4, 2014, 151
- Francisco Correa, Tigran Hakobyan, Olaf Lechtenfeld, Armen Nersessian, “Spherical Calogero model with oscillator/Coulomb potential: Quantum case”, Phys. Rev. D, 93, no. 12, 2016, 125009
- B. Basu-Mallick, Bhabani Prasad Mandal, Pinaki Roy, “Quasi exactly solvable extension of Calogero model associated with exceptional orthogonal polynomials”, Annals of Physics, 380, 2017, 206
- Sergey Fedoruk, Evgeny Ivanov, Olaf Lechtenfeld, Stepan Sidorov, “Quantum SU(2|1) supersymmetric Calogero-Moser spinning systems”, J. High Energ. Phys., 2018, no. 4, 2018, 43
- Tigran Hakobyan, Armen Nersessian, “Integrability and separation of variables in Calogero-Coulomb-Stark and two-center Calogero-Coulomb systems”, Phys. Rev. D, 93, no. 4, 2016, 045025
- Tigran Hakobyan, Seda Vardanyan, “Symmetry Algebra of Dynamical and Discrete Calogero Models”, Phys. Part. Nuclei Lett., 17, no. 5, 2020, 734
- Francisco Correa, Olaf Lechtenfeld, “The tetrahexahedric Calogero model”, Phys. Part. Nuclei Lett., 14, no. 2, 2017, 304
- Tigran Hakobyan, “Symmetries of the generalized Calogero model and the Polychronakos-Frahm chain”, Phys. Rev. D, 99, no. 10, 2019, 105011