@article{RM_2009_64_1_a5,
     author = {A. A. Davydov and T. S. Shutkina},
     title = {Optimizing a~cyclic process with discount with respect to its time average profit},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {136--138},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2009_64_1_a5/}
}