@article{10_21136_CMJ_1984_101925,
     author = {Graham, George},
     title = {Differentiable manifolds with generalized boundary},
     journal = {Czechoslovak Mathematical Journal},
     pages = {46--63},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1984},
     doi = {10.21136/CMJ.1984.101925},
     mrnumber = {731979},
     zbl = {0543.58009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1984.101925/}
}