@article{IVM_1985_2_a8,
     author = {S. Ya. Havinson},
     title = {Representation of functions of two variables by the sums $\phi(x)+\psi(y)$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {66--73},
     publisher = {mathdoc},
     number = {2},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1985_2_a8/}
}