@article{VTGU_2014_1_a2,
     author = {A. N. Malyutina and M. A. Elizarova},
     title = {On equivalence of the analytical and geometrical definitions of mappings with an $s$-averaged characteristic},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {25--41},
     publisher = {mathdoc},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2014_1_a2/}
}