%0 Journal Article %A Gao, Wei %T Extremal trees and molecular trees with respect to the Sombor-index-like graph invariants $\mathcal {SO}_5$ and $\mathcal {SO}_6$ %J Czechoslovak Mathematical Journal %D 2024 %P 927-941 %V 74 %N 3 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2024.0221-24/ %R 10.21136/CMJ.2024.0221-24 %G en %F 10_21136_CMJ_2024_0221_24