@misc{10_4153_CMB_1974_097_1,
     title = {On {The} {4-Dimensional} {Poincar\`e} {Conjecture} for {Manifolds} with {2-Dimensional} {Spines}},
     journal = {Canadian mathematical bulletin},
     pages = {549--552},
     year = {1974},
     volume = {17},
     number = {4},
     doi = {10.4153/CMB-1974-097-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-097-1/}
}