@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/}
}