@article{10_4153_CMB_1965_040_x, author = {Melzak, Z. A.}, title = {Problems {Connected} with {Convexity}}, journal = {Canadian mathematical bulletin}, pages = {565--573}, year = {1965}, volume = {8}, number = {5}, doi = {10.4153/CMB-1965-040-x}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-040-x/} }