<h1>Katok, Anatole</h1>
<h2>Article from <a href="https://authors.library.caltech.edu">CaltechAUTHORS</a></h2>
<ul>
<li>Katok, Anatole and Knieper, Gerhard, el al. (1991) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20170408-143320653">Formulas for the derivative and critical points of topological entropy for Anosov and geodesic flows</a>; Communications in Mathematical Physics; Vol. 138; No. 1; 19-31; <a href="https://doi.org/10.1007/BF02099667">10.1007/BF02099667</a></li>
<li>Feres, Renato and Katok, Anatole (1990) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20170408-163655442">Anosov flows with smooth foliations and rigidity of geodesic flows on three-dimensional manifolds of negative curvature</a>; Ergodic Theory And Dynamical Systems; Vol. 10; No. 4; 657-670; <a href="https://doi.org/10.1017/S0143385700005836">10.1017/S0143385700005836</a></li>
</ul>