The mass transport by a Burgers velocity field is investigated in the
framework of the theory of stochastic processes. Much attention is devoted to
the limit of vanishing viscosity (inviscid limit) describing the "adhesion
model" for the early stage of the evolution of the Universe. In particular the
mathematical foundations for the ansatz currently used in the literature to
compute the mass distribution in the inviscid limit are provided.Comment: 14 pages, Latex, revised version submitted to Physica