@article{CMUC_1998__39_4_a1,
     author = {Gudder, S. and Pulmannov\'a, S.},
     title = {Representation theorem for convex effect algebras},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {645--659},
     publisher = {mathdoc},
     volume = {39},
     number = {4},
     year = {1998},
     mrnumber = {1715455},
     zbl = {1060.81504},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1998__39_4_a1/}
}