@article{DAN_1980_251_5_a12,
     author = {N. A. Sokolov},
     title = {Search for a maximal upper zero for a class of monotone discrete functions},
     journal = {Doklady Akademii Nauk},
     pages = {1077--1080},
     publisher = {mathdoc},
     volume = {251},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_5_a12/}
}