@article{VUU_2014_1_a3,
     author = {E. K. Makarov},
     title = {Axiomatic representation for smallness classes of coefficient perturbations to linear differential systems},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {46--57},
     publisher = {mathdoc},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2014_1_a3/}
}