@article{10_4064_cm_80_1_147_154,
     author = {Paolo de Lucia and Pavel Pt\'ak},
     title = {Quantum logics with classically determined states},
     journal = {Colloquium Mathematicum},
     pages = {147--154},
     publisher = {mathdoc},
     volume = {80},
     number = {1},
     year = {1999},
     doi = {10.4064/cm-80-1-147-154},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-80-1-147-154/}
}