1. S. B. Berezhnoi, O. I. Ostapenko, A. A. Voina, et al., Patent 131438 RF, IPC F 16 H 37/02, “Toothed chain drive with internal chain gearing,” Kuban State Technol. Univ., No. 2013122154/11, subm. 05.14.2013, Byull., No. 23, 08.20.2013.
2. S. B. Berezhnoi, Roller Chain Drives of General Machinery and Construction Application, Izd. MGTU im. Baumana, Moscow (2004).
3. S. B. Berezhnoi, Synthesis and Analysis of Roller Chain Drives: Dissert. Doct. Techn. Sci., Krasnodar (2004).
4. S. B. Berezhnoi, O.I. Ostapenko, A. A. Voina, and A. V. Puntus, Patent 2110374 RF, IPC6 B 23 F 1/06, F 16 N 55/30, “A method of manufacturing involute sprockets,” Kuban State Technol. Univ., No. 97108283.28, subm. 05.20.1997, Byull., No. 13, 05.10.1998.
5. A. A. Petrik, S. B. Berezhnoi, O. I. Ostapenko, and A. A. Voina, Patent 2243068 RF, IPC7 B 23 F 5/16, “A method of manufacturing involute sprockets,” Kuban State Technol. Univ., No. 2003125198, subm. 08.14.2003, Byull., No. 36, 12.27.2004.