Yafaev, D. R. Wave operators for the Schrödinger equation. (Russian) Zbl 0458.35078 Teor. Mat. Fiz. 45, 224-234 (1980). MSC: 35P25 35J10 47A40 81U10 PDFBibTeX XMLCite \textit{D. R. Yafaev}, Teor. Mat. Fiz. 45, 224--234 (1980; Zbl 0458.35078)
Yafaev, D. R. On the finiteness of discrete spectrum of the three-particle Schrödinger operator. (Russian) Zbl 0322.35022 Teor. Mat. Fiz. 25, 185-195 (1975). MSC: 35J10 35P05 PDFBibTeX XMLCite \textit{D. R. Yafaev}, Teor. Mat. Fiz. 25, 185--195 (1975; Zbl 0322.35022)