@article{10_4153_CMB_1980_044_0,
     author = {Mathsen, R. M.},
     title = {Coincidence of {Nodes} for {Generalized} {Convex} {Functions}},
     journal = {Canadian mathematical bulletin},
     pages = {317--320},
     year = {1980},
     volume = {23},
     number = {3},
     doi = {10.4153/CMB-1980-044-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-044-0/}
}