@article{DAN_1968_178_6_a4,
     author = {A. A. Kaplan},
     title = {Finding the extremum of a linear function on a convex set},
     journal = {Doklady Akademii Nauk},
     pages = {1245--1247},
     publisher = {mathdoc},
     volume = {178},
     number = {6},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_6_a4/}
}