@article{10_4153_CMB_1988_019_1,
     author = {Phelps, R. R.},
     title = {Counterexamples {Concerning} {Support} {Theorems} for {Convex} {Sets} in {Hilbert} {Space}},
     journal = {Canadian mathematical bulletin},
     pages = {121--128},
     year = {1988},
     volume = {31},
     number = {1},
     doi = {10.4153/CMB-1988-019-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-019-1/}
}