@article{DAN_1963_152_5_a15,
     author = {S. N. Chernikov},
     title = {Contraction of finite systems of linear inequalities},
     journal = {Doklady Akademii Nauk},
     pages = {1075--1078},
     publisher = {mathdoc},
     volume = {152},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a15/}
}