@article{IVM_1966_2_a12,
     author = {V. R. Petukhov},
     title = {Functional perturbations of asymptotically and tangentially-asymptotically stable positions of equilibrium},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {93--97},
     publisher = {mathdoc},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1966_2_a12/}
}