@article{ZNSL_2015_438_a7,
     author = {M. N. Demchenko},
     title = {On inverse source problem for wave equation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {104--117},
     publisher = {mathdoc},
     volume = {438},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_438_a7/}
}