@article{MZM_2016_100_6_a15,
     author = {V. A. Yurko},
     title = {Inverse {Problems} for {First-Order} {Integro-Differential} {Operators}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {939--946},
     publisher = {mathdoc},
     volume = {100},
     number = {6},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2016_100_6_a15/}
}