@article{KYB_2011__47_4_a3,
     author = {Jen\v{c}ov\'a, Anna and Pulmannov\'a, Silvia and Vincekov\'a, Elena},
     title = {Observables on $\sigma ${-MV} algebras and $\sigma $-lattice effect algebras},
     journal = {Kybernetika},
     pages = {541--559},
     publisher = {mathdoc},
     volume = {47},
     number = {4},
     year = {2011},
     mrnumber = {2884860},
     zbl = {1237.81008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2011__47_4_a3/}
}