![](/img/nop.png)
JETP, Vol. 33,
No. 6,
p. 1088 (December 1971)
(Russian original - ZhETF,
Vol. 60,
No. 6,
p. 2019,
December 1971
)
Ground State Energy of Two-electron Atoms with an Arbitrary Nuclear Charge ![Z{\leq}137](/img/latex/Zx7bx5cleqx7d137.png)
G.L. Klimchitskaya, L.M. Labzovskii
Received: December 17, 1970
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