@article{AIHPA_1972__17_4_295_0,
     author = {Gunson, J.},
     title = {Physical states on quantum logics. {I}},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {295--311},
     publisher = {Gauthier-Villars},
     volume = {17},
     number = {4},
     year = {1972},
     mrnumber = {336364},
     zbl = {0252.46083},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1972__17_4_295_0/}
}