@article{10_4153_CJM_1981_055_8,
     author = {Pierre, R. and Rahman, Q. I.},
     title = {On a {Problem} of {Tur\'an} about {Polynomials} {II}},
     journal = {Canadian journal of mathematics},
     pages = {701--733},
     year = {1981},
     volume = {33},
     number = {3},
     doi = {10.4153/CJM-1981-055-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-055-8/}
}