@article{DMGAA_2013_33_1_a1,
     author = {Foulis, David and Pulmannov\'a, Silvia and Vincekov\'a, Elena},
     title = {The exocenter and type decomposition of a generalized pseudoeffect algebra},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {13--47},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2013_33_1_a1/}
}