@article{AM2_1986__30_137128,
     author = {M.B. Subrahmanyam},
     title = {A note on best constants in discrete inequalities.},
     journal = {Aequationes mathematicae},
     pages = {208--211},
     publisher = {mathdoc},
     volume = {30},
     year = {1986},
     zbl = {0611.90091},
     url = {http://geodesic.mathdoc.fr/item/AM2_1986__30_137128/}
}