[MathOuvrage]
Introduction to ergodic theory
/ Friedman, Nathaniel A..
-New York NY : Van Nostrand Reinhold, 1970. - iv, 143 p. ; 21 cm
[MathOuvrage]
Selecta research contributions
/ Halmos, Paul R. ; Ed. Sarason, Donald E. ; Ed. Friedman, Nathaniel A..
-Berlin : Springer, 1983. - xxviii, 458