@article{INTO_2022_208_a7,
     author = {M. I. Sumin},
     title = {The {Lagrange} principle and the {Pontryagin} maximum principle in ill-posed optimal control problems},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {63--78},
     publisher = {mathdoc},
     volume = {208},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2022_208_a7/}
}