@article{10_4153_CJM_1980_074_8,
     author = {Delfour, M. C.},
     title = {The {Largest} {Class} of {Hereditary} {Systems} {Defining} a {C} 0 {Semigroup} on the {Product} {Space}},
     journal = {Canadian journal of mathematics},
     pages = {969--978},
     year = {1980},
     volume = {32},
     number = {4},
     doi = {10.4153/CJM-1980-074-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-074-8/}
}