@article{VUU_2012_4_a2,
     author = {A. O. Egorshin},
     title = {On one variational problem of the piecewise-linear dynamical approximation},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {30--45},
     publisher = {mathdoc},
     number = {4},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2012_4_a2/}
}