1. G. I. Ivchenko and Yu. I. Medvedev, ?Separable statistics and hypothesis testing. The small sample case,? Teor. Veroyatn. Primen.,23, No. 4 (1978).
2. G. I. Ivchenko and S. V. Tsukanov, ?On a new technique for the analysis of frequencies by grouping of observations and optimality of the ?2-test,? Dokl. Akad. Nauk SSSR,277, No. 2 (1984).
3. G. I. Ivchenko and S. V. Tsukanov, ?On new statistical tests for grouped data,? Abstracts of papers at 18th School-Colloquium on Probability Theory and Mathematical Statistics, Bakuriani [in Russian], Tbilisi (1984).
4. S. V. Tsukanov, ?A generalized test of empty boxes,? in: Probabilistic Processes and Their Applications [in Russian], Moscow (1984).
5. A. P. Baranov, ?Some limit theorems for conditional distributions of U-statistics,? Veroyatn. Prots. Upr., Krasnodar, No. 2 (1979).