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RT Journal T1 Possibility of Observing Extragalactic Pulsars A1 Kardashev,N.S. PB Physics-Uspekhi PY 1970 FD 10 Jun, 1970 JF Physics-Uspekhi JO Phys. Usp. VO 12 IS 6 SP 808-808 DO 10.1070/PU1970v012n06ABEH004056 LK https://ufn.ru/en/articles/1970/6/y/
Оригинал: Кардашев Н С «О возможности наблюдения внегалактических пульсаров» УФН 99 526–526 (1969); DOI: 10.3367/UFNr.0099.196911y.0526