@article{IVM_1979_8_a9,
     author = {V. N. Trofimov and L. R. Khariton},
     title = {On the error of uniform approximation of functions of two variables by a~sum of functions of one variable},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {70--73},
     year = {1979},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_8_a9/}
}