Abdildin MM, Beiseen NA, Boshkaev KA, Taukenova AS. VELOCITY AS A FUNCTION OF STATE IN GR MECHANICS. Rec.Contr.Phys. 2009;2009(1):107-111. Accessed July 14, 2026. https://bph.kaznu.kz/index.php/zhuzhu/article/view/183