@article{DAN_1997_354_2_a6,
     author = {S. K. Korovin and A. V. Il'in and V. V. Fomichev},
     title = {The controllable model method in problems of the inversion of},
     journal = {Doklady Akademii Nauk},
     pages = {171--173},
     publisher = {mathdoc},
     volume = {354},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_354_2_a6/}
}