Separable expansion of potential in multidimensional space. Three-body problem

Faddeev, 1963, Ann. Steklov Mathematical Institute,, 19 Alt, 1967, Nucl. Phys., B2, 167, 10.1016/0550-3213(67)90016-8 Glockle, 1970, Nucl. Phys., A141, 620, 10.1016/0375-9474(70)90992-9 Kouri, 1974, Phys. Lett., 50B, 421, 10.1016/0370-2693(74)90250-0 Simonov, 1966, Sov. Nucl. Phys., 5, 88 Fabri, 1969, Nuovo Cim., 60B, 210, 10.1007/BF02712364 Fabri, 1970, Nucl. Phys., A141, 325, 10.1016/0375-9474(70)90849-3 V. N. Efimov, JINR Preprint, P-2890 (1966), Dubna. Faddeev, 1967 Sitenko, 1969, Phys. Lett., 28B, 308 Malfliet, 1970, Ann. Physics, 61, 425, 10.1016/0003-4916(70)90291-5 Achmadhodzjaev, 1970, Sov. Nucl. Phys., 11, 1016 Adhikari, 1975, Nucl. Phys., A241, 429, 10.1016/0375-9474(75)90396-6 A. L. Zubarev, M. M. Musachanov, JINR Preprint, E4-8543 (1975), Dubna. Kloet, 1972, 380 Merkuriev, 1974, Nucl. Phys., A233, 395, 10.1016/0375-9474(74)90465-5 Gelfand, 1958 Simonov, 1970, 51 A. J. Baz, p. 79.