@article{MZM_1992_52_3_a0,
     author = {O. O. Barabanov},
     title = {Convergence of variational characteristics},
     journal = {Matemati\v{c}eskie zametki},
     pages = {3--9},
     publisher = {mathdoc},
     volume = {52},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_52_3_a0/}
}