Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1983__42_154926, author = {Vlastimil Ptak}, title = {Uniqueness in the first maximum problem.}, journal = {Manuscripta mathematica}, pages = {101--104}, publisher = {mathdoc}, volume = {42}, year = {1983}, zbl = {0516.47004}, url = {http://geodesic.mathdoc.fr/item/MM2_1983__42_154926/} }
Vlastimil Ptak. Uniqueness in the first maximum problem.. Manuscripta mathematica, Tome 42 (1983), pp. 101-104. http://geodesic.mathdoc.fr/item/MM2_1983__42_154926/