@article{RM_2019_74_5_a1,
     author = {O. V. Morzhin and A. N. Pechen},
     title = {Krotov method for optimal control of closed quantum systems},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {851--908},
     year = {2019},
     volume = {74},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2019_74_5_a1/}
}