TY - JOUR AU - M. B. Zvereva TI - A model of string system deformations on a star graph with nonlinear condition at the node JO - Contemporary Mathematics. Fundamental Directions PY - 2022 SP - 635 EP - 652 VL - 68 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2022_68_4_a5/ LA - ru ID - CMFD_2022_68_4_a5 ER -