@article{ASUO_2009_XVII_3_a20,
     author = { Ina NAYDENOVA and Zlatinka COVACHEVA and Kalinka KALOYANOVA},
     title = { A model of regular
                            sparsity map representation },
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     publisher = {mathdoc},
     volume = {XVII},
     number = {3},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2009_XVII_3_a20/}
}