@article{MASLO_2004_54_1_a3,
     author = {Dvure\v{c}enskij, Anatolij},
     title = {Lorenzen's theorem for pseudo-effect algebras},
     journal = {Mathematica slovaca},
     pages = {23--42},
     year = {2004},
     volume = {54},
     number = {1},
     mrnumber = {2074027},
     zbl = {1087.03045},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2004_54_1_a3/}
}