Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1989_3_2_a2, author = {A. Guessab and G. V. Milovanovich}, title = {An {Extremal} {Problem} for {Polynomials} with {Nonnegative} {Coefficients} {IV}}, journal = {Mathematica balkanica}, pages = {142}, publisher = {mathdoc}, volume = {3}, number = {2}, year = {1989}, url = {http://geodesic.mathdoc.fr/item/MABA_1989_3_2_a2/} }
A. Guessab; G. V. Milovanovich. An Extremal Problem for Polynomials with Nonnegative Coefficients IV. Mathematica balkanica, Tome 3 (1989) no. 2, p. 142. http://geodesic.mathdoc.fr/item/MABA_1989_3_2_a2/