@article{DE_2000_36_11_a8,
     author = {M. S. Nikol'skii},
     title = {An inner estimate of the attainability set of {Brockett{\textquoteright}s} nonlinear integrator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1501--1505},
     publisher = {mathdoc},
     volume = {36},
     number = {11},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_11_a8/}
}