@article{JCEM_2015_2_3_a1,
     author = {V. M. Adukov and N. V. Adukova and K. N. Kudryavtsev},
     title = {On a discrete model of optimal advertising},
     journal = {Journal of computational and engineering mathematics},
     pages = {13--24},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JCEM_2015_2_3_a1/}
}