@article{KYB_2010__46_6_a6,
     author = {Vitolo, Paolo},
     title = {Compatibility and central elements in pseudo-effect algebras},
     journal = {Kybernetika},
     pages = {996--1008},
     publisher = {mathdoc},
     volume = {46},
     number = {6},
     year = {2010},
     mrnumber = {2797423},
     zbl = {1226.06005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2010__46_6_a6/}
}