@article{DAN_1973_213_1_a3,
     author = {R. Gabasov and F. M. Kirillova and V. Mordukhovich},
     title = {The discrete maximum principle},
     journal = {Doklady Akademii Nauk},
     pages = {19--22},
     publisher = {mathdoc},
     volume = {213},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_213_1_a3/}
}