@article{IJOPCM_2009__2_3_231953,
     author = {Khattri, Sanjay Kumar},
     title = {Sharp bounds on the mathematical constant e.},
     journal = {International journal of open problems in computer science and mathematics},
     pages = {365},
     year = {2009},
     volume = {2},
     number = {3},
     zbl = {1207.65027},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_3_231953/}
}