%0 Conference Article %T Estimation of the Hubble constant from the scatter of the fundamental plane distances of groups and clusters of galaxies ($71.1\pm 2.8$ km s$^{-1}$ Mpc$^{-1}$) %A Kopylova, F.. %A Kopylov, A.. %K galaxies: clusters, elliptical and lenticular, fundamental parameters, distances and redshifts; cosmology: large-scale structure of universe %J Modern astronomy: from the Early Universe to exoplanets and black holes %D 2024 %P 5 %I Special Astrophysical Observatory of the Russian Academy of Sciences