Shayakhmetov, N., M. Kurmanseiit, and D. Aizhulov. “Study of the Optimality of Hexagonal Well Location Modes During the in-Situ Leaching of Mineral”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources, vol. 309, no. 2, June 2019, pp. 76-82, doi:10.31643/2019/6445.19.