Ovcherenko SS, Silagadze ZK. Comment on Perihelion Advance due to Cosmological Constant. Ukr. J. Phys. [Internet]. 2019 Jan. 6 [cited 2024 Nov. 24];61(4):342. Available from: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019097