Author's Markov chains with stationary transition probabilities, 1960.

Seminar on Stochastic Processes (1981 : Northwestern University). Seminar on Stochastic Processes, 1981 (a.e.) t.p. (K.L. Chung)

Odnorodnye t︠s︡epi markova, 1964: t.p. (Chzhun Kaĭ-laĭ)

Wikipedia, Jan. 26, 2010 ((Sept. 19, 1917-June 2, 2009 ... d. June 1, 2009)

Stanford University news, viewed online, Jan. 26, 2010 (d. June 1, 2009)

Information from 678 converted Jan. 5, 2015 (Prof. of Math. at Syracuse Univ.; b. Sept. 19, 1917; Ph.D. in Princeton)