Посилання:Exact non-ruin probabilities in infinite time / V. Chernecky // Theory of Stochastic Processes. — 2006. — Т. 12 (28), № 3-4. — С. 20–25. — Бібліогр.: 3 назв.— англ.
Using the Wiener-Hopf method, for the fundamental equation of the risk theory it is obtained an exact solution in terms of the Fourier transforms and factorization.