Balaji, SrinivasanRamasubramanian, S2017-06-012017-06-011997Bernoulli, vol.3, no.1, p.97-119http://hdl.handle.net/10263/6798enMarkov processesBoundary conditionsSpherical coordinatesMathematical functionsBrownian motionReal variablesRecurrence and transience of diffusion in a half-spaceArticle