Philishvili, E.E.PhilishviliShergelashvili, B.MB.MShergelashviliZaqarashvili, T.VT.VZaqarashviliKukhianidze, V.V.KukhianidzeRamishvili, G.G.RamishviliKhodachenko, M.M.KhodachenkoPoedts, S.S.PoedtsDe Causmaecker, P.P.De Causmaecker2021-10-242021-10-2420170004-6361https://imec-publications.be/handle/20.500.12860/29173Long-period oscillations of active region patterns: least-squares mapping on second-order curvesJournal articlehttps://doi.org/10.1051/0004-6361/201628213