%0 Journal Article %A M. B. Zvereva %T A model of string system deformations on a star graph with nonlinear condition at the node %J Contemporary Mathematics. Fundamental Directions %D 2022 %P 635-652 %V 68 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2022_68_4_a5/ %G ru %F CMFD_2022_68_4_a5