Eclipse timing variation of GK Vir: evidence of a possible Jupiter-like planet in a circumbinary orbit - Almeida, L. A. L. de; Pereira, E S; Sterken, Christiaan; Pigulski, Andrzej; Koenigsberger, Gloria; Moffat, Anthony F. J; Madura, Thomas I; Hamaguichi, Kenji; Corcoran, Michael F; Damineli Neto, Augusto (Monthly Notices of the Royal Astronomical Society, 2020)