Sam Buss, Ramyaa Ramyaa. Short refutations for an equivalence-chain principle for constant-depth formulas. Math. Log. Q., 64(6):505-513, 2018. [doi]
@article{BussR18,
title = {Short refutations for an equivalence-chain principle for constant-depth formulas},
author = {Sam Buss and Ramyaa Ramyaa},
year = {2018},
doi = {10.1002/malq.201700034},
url = {https://doi.org/10.1002/malq.201700034},
researchr = {https://researchr.org/publication/BussR18},
cites = {0},
citedby = {0},
journal = {Math. Log. Q.},
volume = {64},
number = {6},
pages = {505-513},
}