@article{DAN_1966_171_1_a7,
     author = {R. E. Krichevskii},
     title = {The length of a block which is necessary to obtain a prescribed surplus},
     journal = {Doklady Akademii Nauk},
     pages = {37--40},
     publisher = {mathdoc},
     volume = {171},
     number = {1},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_1_a7/}
}