K. A. Lyakhov, A. N. Pechen, “Selective multi-line excitation of isotopologues with similar quantum spectra as a function of gas flow pressure, temperature, and laser pulse spectrum”, AIP Conf. Proc., 2362 (2021), 40008–6
O. V. Morzhin, A. N. Pechen, “Generation of density matrices for two qubits using coherent and incoherent controls”, Lobachevskii J. Math., 42:10 (2021), 2401–2412
Yin Tang, Yongjie Zheng, Jingzhi Tian, Jing Sun, “Process Intensification of Chemical Exchange Method for Boron Isotope Separation Using Micro-Channel Distillation Technology”, Micromachines, 12:10 (2021), 1222
K. A. Lyakhov, A. N. Pechen, “Enrichment factor for molybdenum isotopes separation by the method of laser-assisted retardation of condensation”, Lobachevskii J. Math., 42:10 (2021), 2392–2400
K. A. Ляхов, A. Н. Печень, “Критерий условной оптимизации для разделения изотопов циркония при помощи метода лазерного торможения конденсации”, Труды МИАН, 313 (2021), 143–153 ; K. A. Lyakhov, A. N. Pechen, “Constrained Optimization Criterion for Zirconium Isotope Separation by the Method of Laser-Assisted Retardation of Condensation”, Proc. Steklov Inst. Math., 313 (2021), 131–141
K. A. Lyakhov, A. N. Pechen, “Evolution of the enrichment factor for an iterative scheme of zirconium isotopes separation”, Lobachevskii J. Math., 41:12 (2020), 2345–2351