@article{IM2_2003_67_2_a5,
     author = {I. V. Tikhonov},
     title = {Uniqueness theorems for linear non-local problems for abstract differential equations},
     journal = {Izvestiya. Mathematics},
     pages = {333--363},
     year = {2003},
     volume = {67},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2003_67_2_a5/}
}