Diffusions, Markov processes, and martingales : Vol.1, Foundations / David Williams. Williams, D. (David), 1938- Rogers, L. C. G. Markov processes. Diffusion processes. Martingales (Mathematics) QA274.7 .W54 519.2 WID Vol. 2 prepared by L.C.G. Rogers and David Williams. Includes bibliographic references and index. Chichester ; New York : Wiley, c1979. c1979. 1979 Text v. ; eng Wiley series in probability and mathematical statistics