@article{article23aced15,
title   = {Unstable kink and anti-kink profile for the sine-Gordon equation on a Y -junction graph},
author = {Pava, Jaime Angulo and Plaza, Ramón G},
year = {2022},
doi = {10.1007/s00209-021-02899-0},
journal   = {Mathematische Zeitschrift}
}