@article{DAN_1961_140_3_a2,
     author = {V. F. Krotov},
     title = {The absolute minimum of functionals on a set of functions with bounded derivative},
     journal = {Doklady Akademii Nauk},
     pages = {525--528},
     publisher = {mathdoc},
     volume = {140},
     number = {3},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_140_3_a2/}
}