@article{IVM_1961_6_a16,
     author = {A. N. Sherstnev},
     title = {On the solution of equations in functional derivatives},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {155--168},
     publisher = {mathdoc},
     number = {6},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1961_6_a16/}
}