@article{10_4153_CMB_1964_014_4,
     author = {Malik, M.A.},
     title = {On {Extremal} {Properties} of the {Derivatives} of {Polynomials} and {Rational} {Functions}},
     journal = {Canadian mathematical bulletin},
     pages = {121--131},
     year = {1964},
     volume = {7},
     number = {1},
     doi = {10.4153/CMB-1964-014-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-014-4/}
}