@article{INTO_2019_163_a6,
     author = {O. A. Sultanov},
     title = {Lyapunov functions and asymptotics at infinity of solutions of equations that are close to {Hamiltonian} equations},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {96--107},
     publisher = {mathdoc},
     volume = {163},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2019_163_a6/}
}