1. The attenuated magnetic ray transforms on surfaces,;G. Ainsworth;Inverse Probl. Imaging.,2013
2. On uniqueness of determination of a form of first degree by its integrals along geodesics,;Yu. Anikonov;J. Inverse Ill-Posed Probl.,1997
3. Geodesic flows on closed Riemannian manifolds with negative curvature,;D. V. Anosov;Proc. Steklov Inst. Math.,1967
4. Some smooth ergodic systems,;D. V. Anosov;Uspekhi Mat. Nauk,1967
5. Some remarks on flows of line elements and frames,;V. I. Arnold;Dokl. Akad. Nauk SSSR,1961