@article{TIMM_2000_6_1_a4,
     author = {Yu. N. Kiselev},
     title = {Extremal description of unknown parameters in the boundary value problem of the maximum principle},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {72--90},
     year = {2000},
     volume = {6},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2000_6_1_a4/}
}