Yair Caro, Yehuda Roditty. A zero-sum conjecture for trees. Ars Comb., 40, 1995.
@article{CaroR95,
title = {A zero-sum conjecture for trees},
author = {Yair Caro and Yehuda Roditty},
year = {1995},
researchr = {https://researchr.org/publication/CaroR95},
cites = {0},
citedby = {0},
journal = {Ars Comb.},
volume = {40},
}