Alan Filipin, Ana Jurasic. Diophantine quadruples in $\mathbb {Z}[i][X]$. Periodica Mathematica Hungarica, 82(2):198-212, 2021. [doi]
@article{FilipinJ21,
title = {Diophantine quadruples in $\mathbb {Z}[i][X]$},
author = {Alan Filipin and Ana Jurasic},
year = {2021},
doi = {10.1007/s10998-020-00353-y},
url = {https://doi.org/10.1007/s10998-020-00353-y},
researchr = {https://researchr.org/publication/FilipinJ21},
cites = {0},
citedby = {0},
journal = {Periodica Mathematica Hungarica},
volume = {82},
number = {2},
pages = {198-212},
}