@article{VUU_2013_4_a5,
     author = {V. I. Zhukovskii and N. G. Soldatova},
     title = {On the problem of diversification of contribution on the three deposits},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {55--61},
     publisher = {mathdoc},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2013_4_a5/}
}