V. N. Krivoruchko, Collective excitations in proximity-coupled spin singlet-triplet frequency even-odd superconducting condensates: Multicomponent superconductivity in MgB₂/half -metallic manganite nanostructures, Low Temp. Phys. 51, 557–566, (2025) [Fiz. Nyzk. Temp. 51, 622–633, (2025)] DOI: https://doi.org/10.1063/10.0036446.