M.I. Jaghoub, Eur. Phys. J. A 27, 99 (2006).
O. von Roos, Phys. Rev. B 27, 7547 (1981).
J.M. Luttinger, W. Kohn, Phys. Rev. 97, 869 (1955).
G.H. Wannier, Phys. Rev. 52, 191 (1957).
J.C. Slater, Phys. Rev. 76, 1592 (1949).
O. Rojo, J.S. Levinger, Phys. Rev. 123, 2177 (1961).
M. Razavy, G. Field, J.S. Levinger, Phys. Rev. 125, 269 (1962).
G. Bastard, Wave Mechanics Applied to Semiconductor Heterostructures (Les Editions de Physique, Les Ulis, 1992).
C. Weisbuch, B. Vinter, Quantum Semiconductor Heterostructures (Academic Press, New York, 1993).
J.M. Levy-Leblond, Phys. Rev. A 52, 1845 (1995).
R.A. Marrow, K.R. Brownstein, Phys. Rev. B 30, 678 (1984).
A.R. Plastino, A. Rigo, M. Casas, F. Garcias, A. Plastino, Phys. Rev. A 60, 4318 (1999).
A. de Souza Dutra, M. Hott, C.A.S. Almeida, Europhys. Lett. 62, 8 (2003).
D.J. BenDaniel, C.B. Duke, Phys. Rev B 152, 683 (1966).
Q.-G. Zhu, H. Kroemer, Phys. Rev. B 27, 3519 (1983).
G. Bastard, Phys. Rev. B 24, 5693 (1981).
T.L. Li, K.J. Kuhn, Phys. Rev. B 47, 12760 (1993).
L.S. Kisslinger, Phys. Rev. 98, 761 (1955).
C.M. Bender, Advanced Mathematical Methods for Scientists and Engineers (New York, McGraw-Hill, 1978).