@article{10_1090_S0894_0347_1989_0965008_X,
     author = {Chung, F. R. K.},
     title = {Diameters and eigenvalues},
     journal = {Journal of the American Mathematical Society},
     pages = {187--196},
     publisher = {mathdoc},
     volume = {02},
     number = {2},
     year = {1989},
     doi = {10.1090/S0894-0347-1989-0965008-X},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1989-0965008-X/}
}