TY - JOUR AU - A. V. Likhachev TI - Tomographic reconstruction of a region with a given density value JO - Numerical methods and programming PY - 2018 SP - 516 EP - 521 VL - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMP_2018_19_4_a17/ LA - ru ID - VMP_2018_19_4_a17 ER -