@article{1999approximation, author={, .. and , ..}, title={Approximation Approach to the Solution of Gravity and Magnetic Problems. 2. New Methods of Getting Stable Approximate Solutions of Linear Algebraic Equations with Their Approximated Right Sides}, journal={Russian Journal of Earth Sciences}, publisher={Геофизический центр Российской Академии Наук}, year={1999}, pages={1-47}, volume={1}, issue={5}, }