@article{COMIM_2019__27_1_a5,
     author = {Abdelwanis, Ahmed Y. and Boua, Abdelkarim},
     title = {On generalized derivations of partially ordered sets},
     journal = {Communications in Mathematics},
     pages = {69--78},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {2019},
     mrnumber = {3977478},
     zbl = {1469.06002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_2019__27_1_a5/}
}