ZhETF, Vol. 103,
No. 4,
p. 1105 (April 1993)
(English translation - JETP,
Vol. 76,
No. 4,
p. 541,
April 1993
)
The issue content is only available in english translation.
New logarithmic contributions in muonium and positronium
S.G. Karshenboim
Received: November 3, 1992
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