@article{JSFU_2011_4_4_a2,
     author = {Yury Ya. Belov},
     title = {An identification problem of source function in the system of composite type},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {445--457},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2011_4_4_a2/}
}