Balk, P. I., and A. S. Dolgal. 2016. “Minimization Risk Technique for Solving Gravity Inverse Problems in Weak Assumptions about Geological Noise Properties”. Geofizicheskiy Zhurnal 38 (5):108-18. https://doi.org/10.24028/gzh.0203-3100.v38i5.2016.107825.