@inproceedings{sgem2017s05020,
  title = {GRADIENT METHOD WITH PRECONDITIONER FOR SOLVING NONLINEAR INVERSE GRAVIMETRY PROBLEM},
  author = {Elena Akimova and Vladimir Misilov},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining},
  year = {2017},
  pages = {157-164},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/14/s05.020}
}