Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1990_48_4_a2, author = {A. L. Garkavi and V. A. Kaminskii}, title = {Certain extremal problem in a~measure space}, journal = {Matemati\v{c}eskie zametki}, pages = {19--28}, publisher = {mathdoc}, volume = {48}, number = {4}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_4_a2/} }
A. L. Garkavi; V. A. Kaminskii. Certain extremal problem in a~measure space. Matematičeskie zametki, Tome 48 (1990) no. 4, pp. 19-28. http://geodesic.mathdoc.fr/item/MZM_1990_48_4_a2/