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Fig. 1.
Functions Hl(μ) and Hr(μ). Solid line: Hl(μ); dashed line: Hr(μ). The functions Hl(μ) and Hr(μ) are defined for all positive values of μ. For μ → ∞, Hl(μ) goes to infinity as 
and Hr(μ) to 
. The curves have been plotted with the data given in Chandrasekhar (1960).
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