@article{DE_2002_38_6_a17,
     author = {V. G. Zamuraev},
     title = {On the {Existence} of {Optimal} {Spaces} for {Nonlinear} {Functional} {Equations}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {849--851},
     publisher = {mathdoc},
     volume = {38},
     number = {6},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_6_a17/}
}