author = {G. Nikolov and V. Pillwein},
title = {{An extension of Turan's inequality for ultraspherical polynomials}},
language = {english},
journal = {Mathematical Inequalities & Applications},
volume = {18},
number = {1},
pages = {321--335},
isbn_issn = {?},
year = {2015},
refereed = {yes},
length = {15}