Lawler, Gregory E. Random walk and the heat equation - Hyderabad University press (India) 2025 - ix, 156 p. PB 22 cm. - Student Mathematical Library vol 55 . ISBN: 9789349750630 Subjects--Personal Names: _ Subjects--Uniform Titles: MathematicsRandom WalkBoundary Value Problem Dewey Class. No.: 519.282 / LAW