Free Download Mathematical Understanding of Nature: Essays on Am… By V. I. Arnold Publisher American Mathematical Society 2014 ISBN 1470417014,978-1-4704-1701-7..

Free Download Mathematical methods of classical mechanics… By V.I. Arnol’d, K. Vogtmann, A. Weinstein Publisher Springer 1989 ISBN 1441930876,978-1-4419-3087-3,978-1-4757-2063-1..