@article{article8a9f1454,
title   = {The cohomology ring of the sapphires that admit the Sol geometry},
author = {Gonçalves, Daciberg Lima and Martins, Sérgio Tadao},
year = {2018},
doi = {10.1142/s0218196718500170},
journal   = {International Journal of Algebra and Computation}
}