@article{IM2_2016_80_2_a0,
     author = {A. A. Bobodzhanov and V. F. Safonov},
     title = {A problem with inverse time for a~singularly perturbed integro-differential 
},
     journal = {Izvestiya. Mathematics },
     pages = {285--298},
     publisher = {mathdoc},
     volume = {80},
     number = {2},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2016_80_2_a0/}
}