Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1996_60_3_a0, author = {N. N. Andreev and S. V. Konyagin and A. Yu. Popov}, title = {Extremum problems for functions with small support}, journal = {Matemati\v{c}eskie zametki}, pages = {323--332}, publisher = {mathdoc}, volume = {60}, number = {3}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1996_60_3_a0/} }
N. N. Andreev; S. V. Konyagin; A. Yu. Popov. Extremum problems for functions with small support. Matematičeskie zametki, Tome 60 (1996) no. 3, pp. 323-332. http://geodesic.mathdoc.fr/item/MZM_1996_60_3_a0/