@article{DAN_1957_115_6_a1,
     author = {L. V. Kantorovich and G. Sh. Rubinshtein},
     title = {On a functional space and certain extremum problems},
     journal = {Doklady Akademii Nauk},
     pages = {1058--1061},
     publisher = {mathdoc},
     volume = {115},
     number = {6},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_6_a1/}
}