Spitzer, Frank Principles of random walk Frank Spitzer - 2d ed - New York Springer-Verlag 1976, c1964 - xiii, 408 p 25 cm - Graduate texts in mathematics 34 . Contine bibliogr. si index ISBN: 0387901507 LCCN: 75026883 Subjects--Topical Terms: Random walks (Mathematics) Dewey Class. No.: 519.2/82