@article{VMP_2013_14_4_a12,
     author = {I. Yu. Kulakov and D. A. Vologin and V. V. Pickalov},
     title = {A multigrid algorithm for the fan-beam {ROI-tomography} of contrast objects},
     journal = {Numerical methods and programming},
     pages = {543--548},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2013_14_4_a12/}
}