@article{TIMM_2008_14_3_a15,
     author = {I. G. Tsar'kov},
     title = {Stability of the unique solvability for some differential equations},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {170--182},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2008_14_3_a15/}
}