Nagovitsyn, R., P. Volkov, A. Miroshnichenko, A. Tutolmin, and S. Senator. “The Influence of Special Graduated Weight Load in Greco-Roman Wrestling on the Growth of students’ Sports Results”. Physical Education of Students, vol. 21, no. 6, Dec. 2017, pp. 294-01, doi:10.15561/20755279.2017.0606.