@misc{10_4153_CMB_1970_095_5,
     title = {On the {Hahn-Banach} {Extension} {Property}},
     journal = {Canadian mathematical bulletin},
     pages = {526--526},
     year = {1970},
     volume = {13},
     number = {4},
     doi = {10.4153/CMB-1970-095-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-095-5/}
}