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1997ARep...41..154H - Astron. Rep., 41, 154-159 (1997)
Searches for periodicity in the light curves of active extragalactic objects: results for BL Lac and OJ 287.
HAGEN-THORN V.A., MARCHENKO S.G., MIKOLAICHUK O.V. and YAKOVLEVA V.A.
Journal keyword(s):
Simbad objects: 3
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