@article{DAN_1989_304_1_a5,
     author = {O. A. Liskovets},
     title = {Regularization of optimal control problems on ill-posed},
     journal = {Doklady Akademii Nauk},
     pages = {29--32},
     publisher = {mathdoc},
     volume = {304},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_1_a5/}
}