@article{RM_1981_36_6_a4,
     author = {A. V. Arutyunov and N. T. Tynyanskii},
     title = {First- and second-order conditions in the problem of optimal high-speed},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {167--168},
     publisher = {mathdoc},
     volume = {36},
     number = {6},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1981_36_6_a4/}
}