共 7 条
[1]
Abramowitz M., 1970, HDB MATH FNCTIONS
[2]
A NEW HIERARCHY OF UPPER AND LOWER BOUNDS ON EXPECTATION VALUES
[J].
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER,
1981, 43 (01)
:61-67
[3]
BRANDT U, IN PRESS
[4]
Callaway J., 1976, QUANTUM THEORY SOLID
[6]
DENSITY OF STATES OF TIGHT-BINDING DISORDERED SYSTEMS
[J].
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS,
1975, 8 (04)
:434-444
[7]
YNDURAIN FJ, 1973, PADE APPROXIMANTS, P45