@article{IVM_1970_12_a9,
     author = {V. P. Rudakov},
     title = {An effective bilateral estimate of the norms of the solutions of nonlinear perturbed systems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {78--83},
     publisher = {mathdoc},
     number = {12},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_12_a9/}
}