Frontmatter -- Contents -- Preface -- 1. Introduction: weight unbiased Monte Carlo estimates -- 2. Parametric estimates for solving problems of mathematical physics -- 3. Parametric estimates for studying the radiation transfer in inhomogeneous media -- Appendix A: The improvement of random number generators by modulo 1 summation -- Appendix B: On modelling chemical reactions by the Monte Carlo method -- Appendix C: One unsolved minimax problem -- References