@article{INTO_2022_212_a5,
     author = {R. Yu. Leontiev},
     title = {On small solutions of nonlinear operator equations with noninvertible operator in the principal term},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {57--63},
     publisher = {mathdoc},
     volume = {212},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2022_212_a5/}
}