Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1996_60_6_a1, author = {V. V. Volchkov}, title = {An extremum problem related to {Morera's} theorem}, journal = {Matemati\v{c}eskie zametki}, pages = {804--809}, publisher = {mathdoc}, volume = {60}, number = {6}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1996_60_6_a1/} }
V. V. Volchkov. An extremum problem related to Morera's theorem. Matematičeskie zametki, Tome 60 (1996) no. 6, pp. 804-809. http://geodesic.mathdoc.fr/item/MZM_1996_60_6_a1/