@article{NSJOM_2001_31_2a_5,
     author = {C. Pe\~na},
     title = {Elements of sequence algebras},
     journal = {Novi Sad Journal of Mathematics},
     pages = {45-52},
     year = {2001},
     volume = {31},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2001_31_2a_5/}
}