Efremov, I︠U︡. N. (I︠U︡riĭ Nikolaevich)
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Earlier Established Forms
Sources
found: His V glubiny Vselennoĭ, 1973.
found: His Zvezdnye skoplenii︠a︡, 1980:t.p. (I︠U︡. N. Efremov, kandidat fiziko-matematicheskikh nauk) colophon (I︠U︡riĭ Nikolaevich Efremov)
found: His Ochagi zvezdoobrazovanii︠a︡ v galaktikakh, 1989:t.p. (I︠U︡. N. Efremov) p. 247 (Yuri N. Efremov [in rom.])
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Change Notes
1981-08-05: new
2015-06-11: revised
Alternate Formats