@article{IM2_1992_39_1_a4,
     author = {I. I. Golichev},
     title = {The~method of function of an operator, and iterative processes in some optimal control problems},
     journal = {Izvestiya. Mathematics},
     pages = {795--816},
     year = {1992},
     volume = {39},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1992_39_1_a4/}
}