@article{10_4153_CMB_1966_080_0,
     author = {Melzak, Z.A.},
     title = {An {Isoperimetric} {Inequality} for {Tetrahedra}},
     journal = {Canadian mathematical bulletin},
     pages = {667--669},
     year = {1966},
     volume = {9},
     number = {5},
     doi = {10.4153/CMB-1966-080-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-080-0/}
}