@article{SMZ_2007__48_6_55676,
     author = {Ryabykh, V.G.},
     title = {A necessary and sufficient condition for existence of extremal functions of a linear functional on .},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {1351},
     publisher = {mathdoc},
     volume = {48},
     number = {6},
     year = {2007},
     zbl = {1164.46320},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_6_55676/}
}