POSITIVITY OF SUMS AND INTEGRALS FOR N-CONVEX FUNCTIONS VIA ABEL-GONTSCHAROFF'S INTERPOLATING POLYNOMIAL AND GREEN FUNCTIONS Статья Khan A.R., Pecaric J.E., Praljak M., Varosanec S. SOUTHEAST ASIAN BULLETIN OF MATHEMATICS. SOUTHEAST ASIAN MATHEMATICAL SOC-SEAMS. Том 45. 2021. С. 197-216