TY - BOOK AU - Katok,A TI - Ergodic theory and dynamical systems: proceedings, special year, Maryland, 1979-80 PY - 1981/// CY - Boston, MA. PB - Birkhauser KW - Ergodic theory KW - Addresses, essays, lectures KW - Differentiable dynamical systems N1 - Includes bibliography: p.331-333 and index ER -