Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1969_5_4_a4, author = {L. B. Sofman}, title = {Diameters of octahedra}, journal = {Matemati\v{c}eskie zametki}, pages = {429--436}, publisher = {mathdoc}, volume = {5}, number = {4}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_4_a4/} }
L. B. Sofman. Diameters of octahedra. Matematičeskie zametki, Tome 5 (1969) no. 4, pp. 429-436. http://geodesic.mathdoc.fr/item/MZM_1969_5_4_a4/