1. Eigen S., Hajian A., Ito Y., Prasad V - Infinite Ergodic Transformations, Monograph in preparation.
2. An example of an e.m.p. transformation defined on an infinite measure space;Hajian,1970
3. Weakly wandering sets and invariant measures;Hajian;Trans. Amer. Math. Soc,1964
4. Cesaro sums and measurable transformations;Hajian;J. Combin. Theory,1969
5. Theory of measure and invariant integrals;Hopf;Trans. Amer. Math. Soc,1932