Shoufeng Wang. P-Ehresmann semigroups. Periodica Mathematica Hungarica, 80(1):108-137, 2020. [doi]
@article{Wang20-15,
title = {P-Ehresmann semigroups},
author = {Shoufeng Wang},
year = {2020},
doi = {10.1007/s10998-019-00309-x},
url = {https://doi.org/10.1007/s10998-019-00309-x},
researchr = {https://researchr.org/publication/Wang20-15},
cites = {0},
citedby = {0},
journal = {Periodica Mathematica Hungarica},
volume = {80},
number = {1},
pages = {108-137},
}