@article{10_21136_MB_2022_0010_22,
     author = {Farley, Jonathan David},
     title = {Does the endomorphism poset $P^P$ determine whether a finite poset $P$ is connected? {An} issue {Duffus} raised in 1978},
     journal = {Mathematica Bohemica},
     pages = {435--446},
     year = {2023},
     volume = {148},
     number = {4},
     doi = {10.21136/MB.2022.0010-22},
     mrnumber = {4673829},
     zbl = {07790595},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2022.0010-22/}
}