Is the geodesic hypothesis in general relativity falsifiable? Stanisław Bażański — 1997 Banach Center Publications
Dynamics of relative motion of test particles in general relativity Stanislaw L. Bażański — 1977 Annales de l'I.H.P. Physique théorique
Kinematics of relative motion of test particles in general relativity Stanislaw L. Bażański — 1977 Annales de l'I.H.P. Physique théorique