1. N. D. Papaleksi, Radio Noise and Noise Control (Gostekhizdat, Moscow, 1944) [in Russian].
2. V. A. Kotel’nikov, Theory of Potential Noise Immunity (Gosenergoizdat, Moscow, 1956) [in Russian].
3. L. A. Vainshtein and V. D. Zubakov, Signal Extraction in the Presence of a Random Noise (Sovetskoe Radio, Moscow, 1960) [in Russian].
4. L. S. Gutkin, Theory of Optimal Reception in the Presence of a Fluctuation Noise (Gosenergoizdat, Moscow, 1961) [in Russian].
5. W. Helstrom, Statistical Theory of Signal Detection (Pergamon, Oxford, 1960; Inostrannaya Literatura, Moscow, 1963) [in Russian].