![Stability of the soil mass in the base of structures located in the vicinity of the mouth of a vertical shaft : I.N. Bulychev, Soil Mechanics & Foundation Engineering, 30(5), 1994, pp 214–217; translated from: Osnovaniya, Fundamenty i Mekhanika Gruntov, 30(5), 1993, pp 24–26]()
Stability of the soil mass in the base of structures located in the vicinity of the mouth of a vertical shaft : I.N. Bulychev, Soil Mechanics & Foundation Engineering, 30(5), 1994, pp 214–217; translated from: Osnovaniya, Fundamenty i Mekhanika Gruntov, 30(5), 1993, pp 24–261994