@article{MT_2016_19_1_a5,
     author = {S. G. Pyatkov and E. I. Safonov},
     title = {On some classes of inverse problems of recovering  a source function},
     journal = {Matemati\v{c}eskie trudy},
     pages = {178--198},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2016_19_1_a5/}
}