TY - JOUR AU - I. A. Ibragimov AU - N. V. Smorodina AU - M. M. Faddeev TI - A limit theorem on convergence of random walk functionals to a~solution of the Cauchy problem for the equation $\frac{\partial u}{\partial t}=\frac{\sigma^2}2\,\Delta u$ with complex~$\sigma$ JO - Zapiski Nauchnykh Seminarov POMI PY - 2013 SP - 88 EP - 102 VL - 420 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2013_420_a4/ LA - ru ID - ZNSL_2013_420_a4 ER -