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Erratum: Hydrogen atom under a sequence of static multipole perturbations: Wave-function corrections
C. K. Au
Phys. Rev. A 43, 4069 (1991)
Erratum: Atomic-charge convexity and the electron density at the nucleus
J. C. Angulo, J. S. Dehesa, and F. J. Galvez
Phys. Rev. A 43, 4069 (1991)