@article{TM_2021_315_a0,
     author = {E. R. Avakov and G. G. Magaril-Il'yaev},
     title = {General {Implicit} {Function} {Theorem} for {Close} {Mappings}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {7--18},
     publisher = {mathdoc},
     volume = {315},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2021_315_a0/}
}