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- [1] UPPER AND LOWER BOUNDS TO EXPECTATION VALUES JOURNAL OF CHEMICAL PHYSICS, 1970, 52 (03): : 1605 - +
- [3] A NEW HIERARCHY OF UPPER AND LOWER BOUNDS ON EXPECTATION VALUES ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1981, 43 (01): : 61 - 67
- [6] IMPROVED LOWER BOUNDS TO EXPECTATION VALUES JOURNAL OF PHYSICS PART A GENERAL, 1968, 1 (05): : 535 - &
- [8] VARIATIONAL EXTENSIONS OF LOWER BOUNDS TO EXPECTATION VALUES PHYSICAL REVIEW A, 1970, 1 (01): : 122 - &
- [9] LOWER BOUNDS TO EXPECTATION VALUES - 2-ELECTRON ATOMS CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1973, 51 (02): : 260 - 264