@article{ISU_2017_17_3_a3,
     author = {M. Yu. Ignatiev and S. Yu. Sovetnikova},
     title = {On recovering integro-differential operators from the {Weyl} function},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {276--284},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2017_17_3_a3/}
}