I need to read this article
"On the spectrum of an energy operator for atoms with fixed nuclei in subspaces corresponding to irriducible representations of permutation groups"
authors:G.Zhislin, A. Sigalov (Izv. Akad. Nauk. SSSR Ser. Mat. 1965 29 pagg 853-860)
but I've found it in Russian only. Is there anyone who knows the existence of a translation of this article?